lock horns
激烈争执，发生冲突
口语·描述争执或冲突
英文释义
to engage in a heated argument or dispute; to clash or disagree strongly with someone
例句
The two politicians locked horns over the new tax policy.
典故来源
源自公羊或鹿用角互相顶撞的争斗场景，比喻激烈对抗。