来回看的英语怎么说

来回看的英语可以翻译为 "look back and forth" 或者 "look back and forth between"。
这个短语的来源是源自于一种身体动作，即人在看两个不同的东西时，头部会来回摇摆。
下面是一些例句：
The audience looked back and forth between the two speakers as they debated. (观众在两位演讲者辩论时来回看。)
She looked back and forth between the two options, trying to decide which one to choose. (她来回看两个选项，试图决定选哪一个。)
The teacher looked back and forth between the students, trying to determine who was talking. (老师来回看学生，试图确定谁在说话。)