Have second thoughts
对之前的决定或想法产生怀疑，重新考虑。
用于描述犹豫或改变决定的情况。
英文释义
Have doubts
例句
She had second thoughts about quitting her job after hearing the news.
典故来源
源自思考过程，'second thoughts' 指第二次思考，暗示改变主意。