争吵过后，没等任何人要求，他就主动道歉了。
After the argument, he apologized of his own volition before anyone could ask him to.
▼点击显示答案
解释
形容在没有外界压力或要求的情况下主动采取行动。
After the argument, he apologized of his own volition before anyone could ask him to.
形容在没有外界压力或要求的情况下主动采取行动。