不成 bùchéng HSK6 rhetorical particle Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: won't do All meanings 5 bùchéng 5 rhetorical particle 2unable 2won't do 1 1 sentence for 不成 (bùchéng — won't do) 如果他不答应,那可不成。 rúguǒ tā bù dāying, nà kě bùchéng. If he doesn't agree, that simply won't do. Source: Dong Chinese Dictionary