2. “kill two birds with one stone” 一石二鸟，一举两得 I listen to podcasts while I'm commuting to work – it kills two birds with one stone! She came up with a plan that killed two bird with one stone, which ...

例句 The chief inspector said that the team will leave no stone unturned in the investigation. 调查组主任说团队会对本次调查全力以赴，不放过任何一个细节。 She left no stone unturned in her search for her twin sister.