finish sth ↔ off phr v [T] 1 to do the last part of something to make it complete 完成: I've done most of the work — I'll finish it off tomorrow. 我已做好了大部分工作 — 明天就可以完成了。 2 to eat, drink, or use all of something 吃完; 喝光; 耗尽: Who finished off the cake? 谁把蛋糕吃光了？