忧思 yōusī to worry Origin Definitions Defs Strokes Stroke Words Sentences Sents yōusī to worry 忧 憂 yōu nounverb to worry to worry or be concerned; to feel anxious; sorrowful; sad思 sī verbadjective to think (bound form) to think; to consider; to deliberateyōusī troubled thoughts 忧 憂 yōu nounadjective worry anxiety; care; a source of concern or trouble思 sī adjective mood (bound form) mood; feelings; state of mind