為

until釋義：

conj. 到……時(shí)，直到……為止

prep. 到……時(shí)，直到……為止

例句：

It was not until midnight that I completed the dissertation.

直到半夜我才完成了這份論文。

Until next Wednesday, the person in charge will remain in the company for training.

直到下周三，負(fù)責(zé)人都會(huì)留在公司進(jìn)行培訓(xùn)。