不行 | bù xíng | won't do / be out of the question / be no good / not work / not be capable | |
不成 | bù chéng | won't do / unable to / (at the end of a rhetorical question) can that be? | |
母汤 | mǔ tāng | (Tw) (slang) don't / must not / won't do / (from Taiwanese 毋通, Tai-lo pr. [m̄-thang], similar to Mandarin 不要[bu4 yao4] or 不行[bu4 xing2]) |