the指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;解说时用。例句有：

1、The heat was getting to be too much for me.

天气热得快让我受不了了。

I patted her on the back.

我拍了拍她的背。

You're the third person to ask me that.

你是第三个问我那件事的人。