| Subject | English | Chinese |
| gen. | airman, first class | 空军一等兵美 |
| gen. | Are there any unreserved first class cabins? | 头等舱还有没有空位？ |
| avia. | aviation structural mechanic first class | 一等飞机结构机械员 |
| avia. | aviation support equipment technician first class | 一等航空支援设备技师 |
| China, law | Citation for Merit, First Class | 记一等功 |
| gen. | Do you want to fly first or economy class? | 您要头等舱还是经济舱？ |
| law | family of first class | 一等亲 |
| gen. | first class | 头等车厢、车票 |
| gen. | first class | 最佳级 (grade A) |
| gen. | first class | 一级 (grade A) |
| insur. | first class | 一级 (A1) |
| textile | first class | 第一级 |
| insur. | first class | 最好 (A1) |
| busin. | first class | 劳氏船级第一级记号 |
| earth.sc. | first class | 最佳级〔的〕 |
| commer. | first class | 头等亦用 Al |
| earth.sc. | first class | 第一等 |
| earth.sc. | first class | 第一级 |
| met. | first class | 奥氏体转变点 (grade A) |
| compr. | first class | 头等 |
| compr. | first class | 上等 |
| archit. | first class | 最佳级 |
| scient. | first class | 头等车、舱 |
| scient. | first class | 出类拔萃者 |
| space | first class | 第一流的 |
| bridg.constr. | first class | 一级 |
| scient. | first class | 一等品 |
| auto. | first class | 高一级的 |
| busin. | first class | 甲级 |
| busin. | first class | 一流 |
| adv. | first class | 优先投递邮件 |
| gen. | first class | A〔第一〕级 |
| avia. | first class | 最好的 |
| avia. | first class | 头等舱 |
| avia. | first class | 一等 |
| gen. | first class | 第一流 |
| sport. | first class | 甲级的 |
| sport. | first class | 头等的 |
| insur. | first class | 头等 (Al) |
| law | first class airfare | 头等舱机票费 |
| avia. | first class and economy class configuration | 一级和普通型座椅布局 |
| avia. | first class and economy class configuration | 一级和经济型构型 |
| fin. | first class bill | 优等票据 |
| securit. | first class bill | 头等票据 |
| econ. | first class business firm | 第一流商行 |
| interntl.trade. | first class business house | 第一流的商行 |
| econ. | first class business house | 第一流商行 |
| gen. | first class cabin | —等船舱 |
| busin. | first class certificate | 一级品证明书 |
| exhib. | first class certificate | 一级证书 |
| interntl.trade. | first class certificate | 一级证券 |
| telecom. | first class certificate | —级证件 |
| telecom. | first class certificate | 甲级文凭 |
| avia. | first class certificate | 一级执照 |
| publ.secur. | First Class Coach | 一等车厢 |
| securit. | first class commercial paper | 头等商业票据 |
| busin. | first class conductor | 第一类导体 |
| chem. | first class grade chemical | 一级试剂 |
| bridg.constr. | first class highway | 一级公路 |
| law, BrE | first class misdemeanant | —级轻罪犯指英国监狱法中把劳狱犯分为两个等级，其中一级轻罪犯不被看做刑事犯 |
| interntl.trade. | first class paper | 头等证券 |
| securit. | first class paper | 优等票据 |
| securit. | first class paper | 一级证券 |
| commer. | first class paper | 上等债券 |
| securit. | first class paper | 头等票据 |
| textile | first class products percentage of export | 出口一等品率 |
| hydroel.st. | first class protection | 一类防雷区 |
| econ. | first class rate quality | 头等货 |
| econ. | first class rate quality | 头等品质 |
| bridg.constr. | first class railway | 一级铁路 |
| skiing | first class railway travel | 头等铁路交通 |
| subm. | first class scuba diver | 一级潜水员 |
| publ.secur. | First Class Seat | 一等座位 |
| exhib. | first class ship | 一级船 |
| met. | first class welding | 第一阶段焊接 |
| met. | first class welding | 第一级焊接 |
| el. | first in class | 类首 |
| scient. | first-class | 邮件优先投递的 |
| scient. | first-class | 乘坐头等车 |
| scient. | first-class | 作为第一类邮件 |
| scient. | first-class | 乘坐头等舱 |
| scient. | first-class | 极好的 |
| scient. | first-class | 车厢、舱位等头等的 |
| scient. | first-class | 甲等 |
| interntl.trade. | first-class | 一级船 |
| textile | first-class | 甲级 |
| textile | first-class | 第一流的 |
| textile | first-class | 一级 |
| interntl.trade. | first-class | 最佳的 |
| gen. | first-class | 最好的 |
| gen. | first-class | 乘头等车〔舱〕 |
| gen. | first-class | 作为密封〔第一类〕邮件 |
| tech. | first-class | 上等的 |
| tech. | first-class | 头等 |
| sport. | first-class | —流的 |
| gen. | first-class | 极好 |
| gen. | first-class | 第一流〔类〕的 |
| gen. | first-class | 一级的 |
| interntl.trade. | first-class | 头等的 |
| interntl.trade. | first-class | 一流 |
| interntl.trade. | first-class | 一等 |
| gen. | first-class | 头等舱 |
| law | first-class | 上流的 |
| law | first-class airline ticket | 头等舱机票 |
| tech. | first-class brick | 一级砖 |
| textile | first-class business house | 第一流商行 |
| shipb. | first-class cabin | 一等客舱 |
| tech. | first-class cabin | 一等舱 |
| tech. | first-class cabin | 头等舱 |
| shipb. | first-class cabin | —等客舱 |
| econ. | first-class cabins | 头等舱 |
| law | first-class captain | 一级船长 |
| tech. | first-class car | 头等车【铁】 |
| busin. | first-class certificate | 一级证券 |
| econ. | first-class certificate | 一级证书 |
| busin. | first-class certificate | 一级品证书 |
| tech. | first-class certificate | 一等证书 |
| tech. | first-class charter | 一级租船人 |
| busin. | first-class commercial bill | 一级商业票据 |
| busin. | first-class commercial note | 一级商业票据 |
| econ. | first-class commercial paper | 最佳商业票据 |
| commer. | first-class commercial paper | 第一流商业票据 |
| busin. | first-class commercial paper | 一级商业票据 |
| busin. | first-class commercial paper | 一等商业票据最佳商业票据 |
| tech. | first-class commercial paper | 一等商业票据 |
| tech. | first-class current | 第一类流 |
| tech. | first-class diver | 一级潜水员 |
| law | first-class elector | 一级选举权者 |
| chem. | first-class electrode | 第一类电极 |
| space | first-class failure | 一级故障 |
| interntl.trade. | first-class firm | 头号商号 |
| econ. | first-class firm | 头等商号 |
| econ. | first-class goods | 上等货 |
| interntl.trade. | first-class goods | 头等货品 |
| econ. | first-class goods | 头等货 |
| tech. | first-class highway | 一级公路 |
| interntl.trade. | first-class hotel accommodation | 一级旅馆膳宿 |
| sport., med. | first-class lever | 第一类杠杆 |
| hydroel.st. | first-class load | 一类负荷 |
| econ. | first-class mail | 一等邮件 |
| tech. | first-class mail | 密封邮件 |
| commun. | first-class mail | 密封〔第一类〕邮件 |
| law | first-class mail | 头等邮件 |
| commer. | first-class mail | 第类邮件 |
| law | first-class mail | 密封邮件系不受检查，邮资最高的 |
| law | first-class mail | 一类邮件 |
| publ.secur. | first-class mail matter | 第一类邮件物品 |
| law | first-class mail matter | 一类邮件物品 |
| tech. | first-class maintenance | 一级维护 |
| tech. | first-class maintenance | 一级保养 |
| busin. | first-class note | 一级票据 |
| tech. | first-class ore | 一级矿石 |
| tech. | first-class paper | 头等票据 |
| busin. | first-class paper | 一级证券 |
| busin. | first-class paper | 一级票据 |
| interntl.trade. | first-class paper | 头等证券 |
| interntl.trade. | first-class paper | 可靠票据 |
| econ. | first-class paper | 头等信用的票据 |
| law | first-class paper | 一等票据 |
| tech. | first-class passenger | 一等舱旅客 |
| railw. | first-class passenger car | 一等客车 |
| el. | first-class personel-safety hazard | 一级人身安全伤害 |
| el. | first-class personel-safety hazard | 一级人身安全伤害危险性【核】 |
| ecol. | first-class protection zones for surface domestic and drinking water sources | 生活饮用水地表水源一级保护区 |
| busin. | first-class quality | 一级品质 |
| tech. | first-class quality | 头等货 |
| met. | first-class quality | 一流质量 |
| tech. | first-class quality | 头等质量 |
| tech. | first-class road | 一级道路 |
| law | first-class secretary | 一等书记官 |
| econ. | first-class securities | 头等证券 |
| met. | first-class service | 一流服务 |
| agric. | first-class standard | 一级主伐木 |
| agric. | first-class standard | 一级良种 |
| law | first-class title | 一级所有权指有清洁记录可出售转让的产权 |
| law | first-class town or village | —级村镇 |
| tech. | first-class wood pile | 一级木桩 |
| scient. | first-class work | 杰出的工作 |
| anim.husb. | grass first class | 一级牧草 |
| gen. | I' d like to change this ticket to the first-class | 我想把这张票换成头等舱 |
| gen. | I will buy a first class open return | 我要买一张一等舱不定期往返机票 |
| gen. | I'll fly first class on a Boeing 747 from Beijing to Shanghai. | 我将坐波音747的一等舱从北京飞往上海。 |
| econ. | machines of first-class make | 头等技术制造的机器 |
| gen. | of first-class make | 第一流货色的 |
| gen. | Patients receive first-class treatment in the high-tech hospital. | 病人在这所备有高科技设备的医院里得到第一流的治疗。 |
| textile | quality symbol for the first-class products | 波兰一等品质量标记 |
| insur. | rate of first class | 一等品率 |
| publ.secur. | Reading Lamp of First Class Coach | ―等车厢阅读灯 |
| gen. | soundman first second, third class | 一级二级，三级水声探测员 |
| publ.secur. | super-value first class | 超值头等舱 |
| publ.secur. | The gambling organization is usually organized as the organizer, the first class agent, the secondary agent, etc., until the participants | 赌博组织一般设为组织者、一级代理、二级代理等,直至参赌人员 |
| commer. | The goods are rated as first-class | 货物被认为是第一流的 |
| econ. | The quality of this article can qualify for first class, so its price is quite high | 这种商品的质量达到一级品，所以其价格相当高 |
| econ. | travel first class | 乘头等舱车旅行 |
| gen. | Two first class and express limited tickets for Brussels, please | 请给我两张去布鲁塞尔的头等特快车票 |
| econ. | Unless they can give us an assurance that they will in future provide us with first class cotton seeds, we regret we shall have to go elsewhere | 除非他们保证以后供应一级棉籽，不然我们将向别处进货 |
| law | voter in the first class | 一级选举人 |
| econ. | We rate these computers as first class | 我们认为这些计算机是一流的 |
| agric. | wheat of first-class quality | 一等质量的小麦 |
| China, law | wildlife under first class protection | 一级保护野生动物 |
| gen. | You want to go first class or coach? | 您想要订头等舱还是经济舱的机票？ |