feat
noun [ C ] uk/fiːt/ us/fiːt/
C2 技艺；功绩；业绩；英勇事迹
something difficult needing a lot of skill, strength, courage, etc. to achieve it
The Eiffel Tower is a remarkable feat of engineering. 埃菲尔铁塔是工程技术上的一大非凡业绩。
She performed remarkable feats of organization for the company. 她为公司所做的组织工作业绩斐然。
Idiom
be no mean featidiom informalC2 是了不起的成就
to be a great achievement
Getting the job finished in under a week was no mean feat. 一周内就把这项任务完成了，真了不起。