lean and mean
US /liːn ənd miːn/
UK /liːn ənd miːn/

1.
精简高效, 精干有力
efficient and powerful, without any unnecessary parts or waste
:
•
After the restructuring, the company became a lean and mean operation.
重组后,公司变得精简高效。
•
The new software is designed to be lean and mean, using minimal resources.
新软件设计得精简高效,占用资源极少。