enough前后都可以加名词enough的知识点：修饰名词可前后,用作副词要放后;后面还可加to do,用作名词意足够.enough作adj,修饰名词可放于名词前或后.如:enough time; time enough enough作adv;放在所修饰词后.如:big enough; carefully enough enough有be …enough to do结构，如：She is old enough to go to school.她到了上学的年龄了。 enough作名词的含义是“足够”。如： I've had enough, thank you.我吃饱了，谢谢你。
