直至

1. 我们不断进行实验，直至将所需颜色调配成功。
   We experimented until we succeeded in mixing the right colour.
2. 沿路前行直至有交通灯处。
   Go down the road till you reach the traffic lights.
3. 警方封锁了这个区域直至拆除 * 的引信为止。
   Police cordoned off the area until the bomb was defused.
4. 他窥探著四周，直至见到警察走开。
   He skulked around outside until the police had gone.

直的英语翻译：

至的英语翻译：