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)