back to the drawing board 從頭開(kāi)始，失敗后另起爐灶
drawing board指“畫(huà)板”。該習(xí)語(yǔ)直議為“（退）回到畫(huà)板前”，引申為“從頭開(kāi)始。失敗后另起爐灶”。
A: How is Jim recently? 吉姆近況如何？
B: Very well. Since he was back to the drawing board, he's been very successful. 非常好。自從他失敗以后另起爐灶，就一直很成功。
A: I know he will get back on his feet sooner or later. 我知道他遲早會(huì)東山再起的。