不定 bùdìng HSK7 indefinite Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: indefinite All meanings 3 bùdìng 3 indefinite 2adventitious 1 2 sentences for 不定 (bùdìng — indefinite) 他的具体归期还不定。 tā de jùtǐ guīqī hái bùdìng. His exact return date is still undecided. Source: Dong Chinese Dictionary他最近心神不定,好像有什么心事。 tā zuìjìn xīnshén bùdìng, hǎoxiàng yǒu shénme xīnshì. He has been restless lately, as if something is on his mind. Source: Dong Chinese Dictionary