turn and turn about

基本解释

We can do the work turn and turn about.
我们可以轮流干这个工作。
If we do the work turn and turn about, we can finish it quickly.
如果我们轮换着做这个工作，我们能很快地把它完成。
Still the indian summer held on, and he continued to crawl and faint ,turn and turn about; and ever the sick wolf coughed and wheezed at his heels.
幸好深秋的天气依然晴朗，他继续爬，一次又一次地晕死过去，可是醒来他又继续地往前爬，不停地回头张望着；而那头病狼也在不停地咳嗽着，发出艰难的喘息声，可依然紧紧尾随其后。

But his health took a turn for the worse in early 2000 and he needed to get serious about being upgraded on the list.
Didn't I know anything about turn about to right, but now I think I know enough to amuse them and to entertain them.
我从前从不知道这些东西，但现在我已经学的足够多,足够引起他们的兴趣了。
麻省理工公开课 - 媒体、教育、市场课程节选
The first way is just to turn the crank on the math, and the second way is to do a little bit more imaginative about the process.
第一个方法就是纯数学推导,第二个方法我们将对,这个过程做一些物理图像的想象。
麻省理工公开课 - 热力学与动力学课程节选

That means that the beads will turn and turn about if an electrical field is applied to them.
ECONOMIST: Showing off