1·The teacher threatened to confiscate their phones if they kept using them in class.
老师警告说，如果他们上课时继续使用手机就予以没收。
—— 《牛津词典》
2·Those who require their phones for some need must get their parents' and teachers' approval and must hand their phones over during class time.
那些因为某些需要得带手机的学生必须取得父母和老师的同意，并且必须在上课期间上交手机。
3·It is unwise to stop all the students from taking their phones to school.
阻止所有的学生带手机去学校是不明智的。
4·An English teacher from Beijing noticed that many students lost themselves in their phones.
来自北京的一名英语老师注意到，许多学生都沉迷于手机。
5·Many teachers said students should not have mobile phones at school, but if there was a good reason, they could leave their phones at school office.
许多老师说学生不应该在学校使用手机，但如果有充分的理由，学生可以把手机留在学校办公室。
6·I often see them looking at their phones when getting off the bus or at parents' drop-off, they can't use their own "screens" at school.
我经常看到他们在下公交或在父母开车送到学校下车的时候看手机，他们在学校不能使用自己的“屏幕”。
7·They also needed an outlet to plug in their phones.
他们还需要一个插座来给手机充电。
8·Do students like to do their homework on their phones?
学生喜欢在手机上做作业吗？
9·We live in a world in which people diddle on their phones while playing with their kids.
我们生活在这样一个世界里，人们一边和孩子玩，一边玩手机。
10·This refers to all the attention young people devote to their phones, tablets and laptops.
这反映了年轻人对手机、平板电脑和笔记本电脑所投入的关注。