take turns  依次

　　Whose turn is it next? 下一个是谁？

　　Let's speak in turn from now on. 我们从现在开始依次说话吧。

　　They took turns looking at each other. 他们互相看着对方。

　　Maybe it's my turn to watch out for you. 也许该我照看你了。

　　I want to use the computer right now.  我现在想用用你的电脑。

　　Not yet. We have to take turns.  现在不行，我们得依次来。