我可以清楚地看到他将头向右转然后又向左转。

I could plainly see him turning his head to the right and left.

《柯林斯英汉双解大词典》

“请去买一加仑牛奶回来” 还是 “从前门出去，向左转，走三个街区向右转，再走半个街区向右转进入商店。

Walk one half block. Turn right and enter the store.

youdao

没有人决定是向左转还是向右转，甚至根本没人决定转向，没有主要的负责人。

Nobody decided whether to turn left or right, or even to turn at all. Nobody was in charge.

youdao