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

1.
精簡高效, 精幹有力
efficient and powerful, without any unnecessary parts or waste
:
•
After the restructuring, the company became a lean and mean operation.
重組後,公司變得精簡高效。
•
The new software is designed to be lean and mean, using minimal resources.
新軟體設計得精簡高效,佔用資源極少。