| Subject | English | Japanese |
| slang | n competing in earnest | ガチンコ (esp. in sumo) |
| slang | n competing in earnest | がちんこ (esp. in sumo) |
| gen. | do in earnest | 気を入れる |
| gen. | n adj-no yoji game played in real earnest | 真剣勝負 |
| gen. | exp adv I pray in earnest that | 希わくは |
| gen. | exp adv I pray in earnest that | 冀わくは |
| gen. | exp adv I pray in earnest that | 庶幾わくは |
| gen. | exp adv I pray in earnest that | 乞い願わくは |
| gen. | adj-na n in earnest | 本式 |
| slang | adv in earnest | ガチで |
| slang | adv in earnest | がちで |
| gen. | n adj-no yoji in earnest | 無二無三 |
| gen. | n raining in earnest | 本降り |
| gen. | set about in earnest | 本腰を入れる |