act on a momentary impulse; be carried away by one's emotions; emotional impulse; instinct; acracholia; 感情冲动
be carried away by one's emotions; get worked up; 动感情
His affections were turned from his wife. 他对妻子的感情转移了。
牛津高阶第八版
美国韦氏词典
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维基百科 (自由的百科全书)