事半功倍的英文：[Literal Meaning] do/half/efficiency/multiply to get twice the result with half the effort

[解释] 指做事有方，因而费力小，收效大。

[Explanation] to work effectively and efficiently

[例子] 因为我们的预算非常紧张，只能用很少的资金完成这个项目，所以一定要做到事半功倍。

[Example] Our budget is very tight and only a small amount of funds will be invested into this project, so we must work effectively and efficiently.

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