忧心如焚

忧心如焚 [yōu xīn rú fén]

1. ■ eat one's heart out; be killed by grief; be torn with anxiety; turning with anxiety; eat out one's heart; extremely upset with sorrow; extremely worried; One's heart was devoured by anxiety.; One's heart was racked with anxiety.; One's heart was burning with anxiety [sorrow].; sorrow-stricken; utterly depressed by grief; worry oneself to death