slice something ↔ off phrasal verbphr v a) CUTto remove part of something by cutting it with one movement of a sharp knife or edge 〔一刀〕切下，割去 SYN cut off His knife had slipped and sliced off the top of his finger. 他的刀一滑，把他的指尖削掉了一块。
b) to reduce a cost or total by a particular amount quickly and easily 大量降低，大幅度削减〔成本或总额〕slice something off something By using volunteers, we were able to slice £10,000 off the cost of the project. 通过使用志愿者，我们把这个项目的费用降低了一万英镑。
→ slice something ↔ off at slice2(2)