clash/klæʃ/
n.1. 撞击声the clash of weapons武器的碰撞声
2. 冲突clash of interests利益冲突
a clash with the police与警察的冲突
I failed to go to her wedding because it clashed with my examination.我没能去参加她的婚礼，因为和我的考试日期冲突了。
3. 战斗a border clash边境战斗
It is broadcast that the two armies clashed near the borderline again before dawn.据电台广播今天凌晨在边界线附近两国军队又发生了冲突。