The barometer smooths, saddens, or makes merry their countenances, turn and turn about.

晴雨表使他们的面容变得光滑、悲伤或快乐，转来转去。

He looked at the gentlemen turn and turn about, with a visible effort to catch the meaning of their words.

他看着先生们转来转去，显然很努力地想明白他们话中的意思。

Thinking that turn and turn about is fair play, she seized the scissors and cut off one of my curls, and would have cut them all off but for my mother's timely interference.

就这样，我们俩轮流玩起了公平的游戏，她抓过剪刀剪掉我的一束鬈发。我想，要不是妈妈及时制止，她一定会把我的头发都剪光的。