eat one's heart out

慣用表現

(idiomatic) To feel overwhelming sorrow, jealousy, or longing; to grieve.

日本語の意味

胸が引き裂かれるような深い悲しみを感じる / 強烈な嫉妠や渇望に苦しむ / 激しい悲嘆に暮れる

She couldn't help but eat her heart out when she saw her ex with someone new.

彼女は元恋人が新しい相手と一緒にいるのを見て、どうしようもなく嫉妬に駆られてしまった。

意味（1）

(idiomatic) To feel overwhelming sorrow, jealousy, or longing; to grieve.

The Brazilians are eating their hearts out over their defeat by Germany in the World Cup.

eats one's heart out

（ present singular third-person ）

eating one's heart out

（ participle present ）

ate one's heart out

（ past ）

eaten one's heart out

（ participle past ）