There is little wastage from a lean cut of meat.

瘦肉基本上不会浪费。

《牛津词典》

He was a lean, patrician gent in his early sixties.

他60岁出头时曾是一位有着贵族气派的清瘦绅士。

《柯林斯英汉双解大词典》

Looking round, he discovered a small wagon with a lean horse.

他环顾四周，发现了一辆小马车，一匹瘦骨嶙峋的小马在前面拉着。

youdao

"I saw all these ships waiting out there,I am guessing, waiting their turns to load and unload the cargo, so,I said,Why do the ships come into the harbor?" Why not have the harbor go out there and bring the goods in?'" Researchers describe the mobile harbor as a lean, light system for unloading container ships even if the coastal area is too shallow for them to dock.

VOA: standard.2010.01.04

It is tight, buff, a lean, mean fighting machine.

它紧凑，淡黄色，倾斜，叫做战斗机器。

麻省理工公开课 - 固态化学导论课程节选

it doesn't really, it doesn't really lean into the room very well. It's just a painting on the wall, and you see it as a painting.

它并不是真的与房间融合得很好。它只是墙上的一幅画，而且你只把它当做一幅画。

喜欢的艺术家 - SpeakingMax英语口语达人

Example: Small businesses operating on a lean budget need employees who can wear many hats.

FORBES: How To Slim The Ranks

Being a lean startup back then, we had no choice but to answer customer queries ourselves.

FORBES: A Tech Entrepreneur's Ode To The Telephone

This was a lean speech for lean times, with few personal anecdotes or lofty ambitions.

BBC: Lib Dem conference: Clegg keeps it lean