kill two birds with one stone
US /kɪl tu bɜrdz wɪθ wʌn stoʊn/
UK /kɪl tu bɜrdz wɪθ wʌn stoʊn/
1.
一石二鸟, 一举两得
to achieve two things with a single action
:
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I need to go to the bank and the grocery store, so I'll kill two birds with one stone by doing them both on my way home.
我需要去银行和杂货店，所以我会顺路把这两件事都办了，一石二鸟。
•
By studying for both exams at once, she managed to kill two birds with one stone.
通过同时准备两门考试，她成功地一石二鸟。