+with Militant students hurled firebombs and riot police retaliated with tear gas. 好斗的学生向防暴警察投掷火焰弹，警察则用催泪瓦斯予以还击。

retaliate by doing sth They say they will retaliate by halting British imports. 他们说他们将停止进口英国货物来实施报复。

retaliate against sb for sth They have threatened to retaliate against the US for the bombing raid. 他们威胁说要报复美国的轰炸。