2 sentences for 敏 (mǐn — smart)

1. 这孩子天资聪敏，学什么都很快。

   zhè hái​zi tiān​zī cōng mǐn, xué shén​me dōu hěn kuài.

   The child is naturally bright and learns everything quickly.

   Source: Dong Chinese Dictionary

2. 由于他才思敏捷，仅用几分钟就解答出了难题。

   yóu​yú tā cái​sī mǐn Jié, jǐn yòng jǐ fēn​zhōng jiù jiě​dá chū le nán​tí.

   Because of his quick wit, it only took him a few minutes to solve the difficult problem.

   Source: Dong Chinese Dictionary