run hot and cold

動詞

慣用表現

(idiomatic) To alternate between two opposite extremes, such as enthusiasm and disinterest or success and failure.

日本語の意味

熱意と無関心、または成功と失敗など、相反する極端な状態を交互に示すこと / 感情や態度が極端に変動する様子 / 一貫性がなく、状況や気分が極端に行ったり来たりする状態

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Her enthusiasm for the project tends to run hot and cold, making it hard to predict whether she'll push it forward or lose interest.

彼女のプロジェクトへの熱意は熱中したり冷めたりを繰り返すことが多く、推進するかどうか予測しにくい。

詳細

意味（1）

(idiomatic) To alternate between two opposite extremes, such as enthusiasm and disinterest or success and failure.

Henrietta's feelings for Delbert run hot and cold—one minute she's hopelessly in love with him, and the next she can't stand the sight of him.

詳細

runs hot and cold （ present singular third-person ）

running hot and cold （ participle present ）

ran hot and cold （ past ）

run hot and cold （ participle past ）