straighten up

She slowly straightened up and rubbed her back.

她慢慢揉了揉背。

That picture’s out of true. Can you straighten it up?

那幅画挂歪了，你能把它弄正吗？

We’d better straighten up the house before they get back.

我们好在他们回之前把房子收拾好。

The bent strip can straighten up by itself.

这弯曲的金己可以变直。