| Subject | English | Japanese |
| gen. | exp v5r be absorbed in deep thought | 考え事に耽る |
| gen. | exp v5r be absorbed in deep thought | 考え事にふける |
| gen. | n vs being deep in thought | 低徊 |
| gen. | n vs being deep in thought | 低回 |
| gen. | exp yoji being lost in deep thought | 沈思黙考 |
| gen. | on-mim deep in thought | むむ |