Don't worry. The operation will be over with before you know it.别担心。手术很快就结束了，你都不会感觉到。

I'd like to get this over with as soon as possible.我想尽快把这件事完成。

No one wants to be here, so let's just get this meeting over with.没有人愿意来这里，咱们结束这次集会吧。