they're的英文意思是“他们是”。they加个er是they’re，they're=they are，是they are的简写方式。
拓展资料
they're的用法
1、People eat when they're depressed.
人在心情沮丧时就吃东西。
2、Dad's flirting with all the ladies, or they're all flirting with him, as usual
和平常一样，爸爸在和所有的女士调情，或者说所有的女士都在和他调情。
3、They're working me too hard. I'm too old for this
他们把我用得太狠了，我老了，干不了这种活儿啦。
4、But I put it to you that they're useless
但是我告诉你它们是没用的。
5、I'm retiring next month. They're putting me out to pasture.
我下个月退休。他们要我养老去了。
6、It's my father they're accusing.
他们指控的是我父亲。
7、I don't agree with what they're doing
我不赞同他们正在做的事情。
8、Oh thank you so much! They're so pretty!
哦，太感谢你了！它们真漂亮！
