不可告人 bùkěgàorén hidden Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 他这样做肯定有不可告人的目的。 tā zhèyàng zuò kěndìng yǒu bùkěgàorén de mùdì. He surely has an ulterior motive for doing this. Source: Dong Chinese Dictionary