指在极度愤怒、兴奋或紧张的状态下，没有经过思考就做出了某些举动或说出了某些话。

• I’m sorry for what I said; I just said it in the heat of the moment. ^{对不起我刚才说的话；我那只是一时冲动。}
• He quit his job in the heat of the moment and regretted it the next day. ^{他一时冲动辞了职，第二天就后悔了。}
• In the heat of the moment, she forgot to grab her keys. ^{在那种紧急时刻，她忘了拿钥匙。}