You use such to refer back to the thing or person that you have just mentioned, or a thing or person like the one that you have just mentioned. 这样的; 如此的
adverb [程度副词]这么,如此(用于加强叙述语气);如此程度
Seldom had he seen such beauty. 他很少见到如此美丽的景色。
pronoun [指示代词]这种人(或事物),这类的;(上文提到的)那样的情况,那件事
She has told us that when she goes back to stay with her family, they make her pay rent. We could not believe such a thing. 她告诉我们,当她回去和家人一起住时,他们却要她支付房租。我们简直不敢相信会有这种事。