"enough" 修饰形容词时，应该 放在形容词后面。例如：
1. She is tall enough to play basketball.
2. They had enough cash for a one-way ticket.
3. I don't have enough money to buy an apartment.
需要注意的是，"enough" 修饰形容词时，通常表示程度，意思是“足够地，充分地”。在某些情况下，"enough" 也可以与名词连用，此时它通常放在名词前面或后面，但现代英语中更常见的是放在名词后面。例如：
1. I have enough money to buy a car.
2. We don't have enough time to finish the work.
此外，"enough" 还可以用于某些固定结构中，例如 "It's + 形容词 + enough + for sb. to do sth."，表示“对于某人来说，做某事是足够……的”。例如：
1. It's warm enough for a picnic.
总结起来，"enough" 修饰形容词时，应放在形容词后面，表示“足够地，充分地”这一程度。