turn and turn about

基本解释

We can do the work turn and turn about.
我們可以輪流乾這個工作。
If we do the work turn and turn about, we can finish it quickly.
如果我們輪換著做這個工作，我們能很快地把它完成。
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.
幸好深鞦的天氣依然晴朗，他繼續爬，一次又一次地暈死過去，可是醒來他又繼續地往前爬，不停地廻頭張望著；而那頭病狼也在不停地咳嗽著，發出艱難的喘息聲，可依然緊緊尾隨其後。

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.
我從前從不知道這些東西，但現在我已經學的足夠多,足夠引起他們的興趣了。
麻省理工公開課 - 媒躰、教育、市場課程節選
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.
第一個方法就是純數學推導,第二個方法我們將對,這個過程做一些物理圖像的想象。
麻省理工公開課 - 熱力學與動力學課程節選

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