忧心如焚 yōuxīnrúfén burning with anxiety Definitions Defs Origin Strokes Stroke Words Sentences Sents 忧心 憂心 yōuxīn troubled heart a heart or mind weighed down by worry; anxiety; troubled mood如 rú preposition to be like to be like; to be similar to; as if焚 fén verb to burn to burn; to set on fire; to be consumed by fire