当然，我会去打打下手。

Of course, I would act as assistant.

如果当初她成功了，也许现在学着打下手的就是奥巴马了。

If she had, Mr Obama might have been the one learning how to play second fiddle.

因为我的第一份业余工作就是给一个屠夫打下手，沙下肉块，清理墙壁，研磨肉糜。

my first Saturday job was as a butcher's boy, sanding down the blocks, cleaning the walls and grinding the mince.