| Subject | English | Japanese |
| gen. | exp expression used to replace part of conversation | かくかくしかじか |
| gen. | exp hard to replace | 余人をもって代え難い (with other person) |
| gen. | exp hard to replace | 余人を以て代え難い (with other person) |
| gen. | exp hard to replace | 余人を以て代えがたい (with other person) |
| gen. | exp hard to replace | 余人をもって代えがたい (with other person) |
| construct. | to replace | 取り替える (とりかえる) |
| gen. | exp obsc try though one might, it's impossible to replace one's first love | 本木にまさる末木なし |