副 [in rhetorical questions to express negation] how can; how could: |
| 你答应了的事哪能反悔? How can you go back on your promise? |
| 你可别涮我。 ——哪能呢? Don't you fool me! — How could I? |
| 我哪能干那种缺德事儿呢。 How could I play that sort of mean trick? It's the last thing I would do! |