1、第三人称代词的复数形式they可用来指代人、动物或事物等各种复数名词
They deserve to lose;their offence was badly planed.
他们该输,进攻全无章法。
They got one over us in the end by deciding to speak in German.
他们决定说德语,最终略胜我们一筹。
2、they可以用来泛指“人人”、“人们”或指一群身份不明的人
They will laugh at you,if you say so.
你要这么说,人家会笑话你的。
They decided to base the new company in York.
他们决定将新成立的公司总部设在约克郡。
They won by a single goal after extra time.
他们在加时赛中仅踢进一球即获胜。
They're researching into ways of improving people's diet.
他们在研究如何改进人们饮食。