I won't go until I'm good and ready.

　　我要完全準(zhǔn)備就緒后才走。

　　By law, you are a child until you are 18.

　　按照法律規(guī)定，18歲之前是未成年人。

　　It took time until the political situation had normalized.

　　政治局勢(shì)過了很長(zhǎng)時(shí)間才恢復(fù)正常。

　　No decision will be taken on the matter until next week.

　　到下星期才會(huì)對(duì)這一問題作出決定。

　　Things were going fine until you showed up.

　　你一露面就把事情搞糟了。