lock horns (with somebody) (over something)成語所屬單字hornlock horns (with somebody) (over something)lock horns (with somebody) (over something) — 慣用語慣用語1. To start arguing or fighting with someone about something.1.慣用語釋義爭吵；衝突To start arguing or fighting with someone about something.例句The two politicians locked horns over the new tax proposal.Sara locked horns with her neighbor about the noisy dog.