哑然失笑 yǎránshīxiào to laugh involuntarily Origin Definitions Defs Strokes Stroke Words Sentences Sents 哑然 啞然 yǎrán laughing sound (literary) sound of laughter; specifically describing laughing involuntarily失笑 shīxiào to laugh in spite of oneself to break into laughter involuntarily; to be unable to help laughing