such后不能直接加形容词, 必须同名词连用,如: such a beautiful girl, such delicious food ,such beautiful flowers 
Such作形容词,意思是“如此的”“这样的”,修饰各种名词.Such这样的.
如:It is such bad weather.天气如此恶劣.Such常和as搭配,表示一种类别.
如:We enjoy such a voice as hers.我们喜欢象她那样的嗓子.
其它用法
1、such+a(n)(+adj.)+单数可数名词+that从句。
She is such a good teacher that all of us love and respect her.
她是一位很好的老师,我们都敬爱她。
Table tennis is such an interesting game that people all over the world play it.
乒乓球是一项很有趣的运动,以致全世界的人都参加这项运动。
2、such(+adj.)+复数可数名词+that从句。
They are such interesting books that I want to read them once more.
这些书非常有趣,我想再读一遍。
3、such(adj.)+不可数名词+that从句。
It was such bad weather that I had to stay at home.
天气太坏,以致我不得不呆在家里。
4、限定词+ such+ 名词
可用在such前面的限定词有no other some any one(two...) 等