没心没肺 méixīnméifèi heartless Origin Definitions Defs Strokes Stroke Words Sentences Sents Showing: simple-minded All meanings 3 méixīnméifèi 3 heartless 1scatterbrained 1simple-minded 1 1 sentence for 没心没肺 (méixīnméifèi — simple-minded) 她整天没心没肺地傻笑,好像从来没有烦恼。 tā zhěngtiān méixīnméifèi de shǎxiào, hǎoxiàng cónglái méiyǒu fánnǎo. She giggles lightheartedly all day, as if she doesn't have a care in the world. Source: Dong Chinese Dictionary