be proficient in
| professional
| and
| technical work
| be proficient in | |
| China law | 掌握 |
| professional | |
| gen. | 专门; 专业人士 |
| interntl.trade. | 专业人员; 专门人员; 内行 |
| space | 职业 的 |
| sport. | 专业的; 职业的; 职业运动员; 专业运动员 |
| AND | |
| el. | 与; 逻辑电路"与" |
| and | |
| gen. | 并; 及; 和; 及; 加; 并且 |
| busin. | 以及; 与 |
| technical work | |
| China law | 技术工种 |
| |||
| 掌握 | |||
| 精通 | |||
|
be proficient in : 21 phrases in 3 subjects |
| Business | 19 |
| Sports | 1 |
| Technology | 1 |