副词
1. through
1. They wouldn't let us through.
他们没让我们过去。
形容词
1. through
1. I'll take a through train.
我想搭直达车。
介词
1.
1. We all got through our examinations.
我们考试都通过了。
2. We are through school at five o'clock.
我们五点上完了课。
3. They became unemployed through no fault of their own.
他们的失业不是由于自身的过失造成的。