break offWiktionary 原文英美构词拆解break词干+off词干词源链中古英语Middle English约 1150–1500 年ofbreken↓ 派生中古英语Middle English约 1150–1500 年breke of‘break off, terminate’↓ 继承英语Englishbreak off词源说明From Middle English breke of (“break off, terminate”), a dissimilated form of earlier Middle English ofbreken. By surface analysis, break + off.释义动词verb1transitiveTo remove a piece from a whole by breaking or snapping.2intransitiveTo become detached by breaking or snapping.3transitiveTo discontinue abruptly.4intransitiveTo end abruptly, either temporarily or permanently.5(ambitransitive, billiards