mood swing

名詞

(psychology) A rapid and extreme changing in mood, from excessively happy to desperately miserable.

日本語の意味

感情が急速かつ極端に変化する状態（心理学における、非常にハッピーな状態から極度に憂鬱な状態へ移る）

Her sudden mood swing during the meeting startled everyone and derailed the conversation.

彼女の会議中の突然の気分の激変は皆を驚かせ、会話を混乱させた。

意味（1）

(psychology) A rapid and extreme changing in mood, from excessively happy to desperately miserable.

The worst thing about my wife's pregnancy was her awful mood swings.

mood swings

（ plural ）