back to the drawing board 從頭開始，失敗后另起爐灶
drawing board指“畫板”。該習語直議為“（退）回到畫板前”，引申為“從頭開始。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. 我知道他遲早會東山再起的。