漫不经心 mànbùjīngxīn careless Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 他坐在桌边,漫不经心地玩弄着手里的打火机。 tā zuò zài zhuō biān, mànbùjīngxīn de wánnòng zhe shǒu lǐ de dǎhuǒjī. He sat at the table, idly fiddling with the lighter in his hand. Source: Dong Chinese Dictionary