开怀大笑 kāihuáidàxiào laugh heartily Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 他很有幽默感,总是能让大家开怀大笑。 tā hěn yǒu yōumògǎn, zǒngshì néng ràng dàjiā kāihuáidàxiào. He has a great sense of humor and always makes everyone laugh heartily. Source: Dong Chinese Dictionary