| 于是 | yú shì | thereupon; as a result; consequently; thus; hence | 
| 于 | Yú | surname Yu | 
| 于 | yú | to go / to take / sentence-final interrogative particle / variant of 于 | 
| 于 | yú | (of time or place) in; at; on / (indicating any indirect relation) to; toward; vis-à-vis; with regard to; for / (indicating a source) from; out of / (used in comparison) than / (used in the passive voice) by | 
| 是 | shì | to be (followed by substantives only) / correct; right; true / (respectful acknowledgement of a command) very well / (adverb for emphatic assertion) | 
| 是 | shì | variant of 是 |