to pull something, especially trousers or a skirt, upwards to a slightly higher position

She hitched her skirt up before wading across the stream. 她趟过小溪之前把裙子向上提起。

If you hitch up a vehicle, you connect it so that it can be pulled, and if you hitch up an animal to a vehicle, you connect it so that it can pull the vehicle.

We watched as the farmer hitched up a team of oxen. 我们看着农夫把一组牛套上车。