drawing board指“画板”。该习语直议为“（退）回到画板前”，引申为“从头开始。失败后另起炉灶”。

A: How is Jim recently? 吉姆近况如何？
B: Very well. Since he was back to the drawing board, he’s been very successful. 非常好。自从他失败以后另起炉灶，就一直很成功。
A: I know he will get back on his feet sooner or later. 我知道他迟早会东山再起的。