http://chanyi.new21.net/zbxe/65015
 34. enough와 기타 주요 어순
Point

enough가 명사를 수식하는 형용사로 쓰일 때는 전치수식,
형용사나 부사를 꾸미는 부사로 쓰일 때는 후치수식으로 쓰인다.

형용사/부사 + enough to부정사 - 긍정
not 형용사/부사 + enough to부정사 - 부정
enough 명사 to부정사
something, nothing, somebody, anybody 등의 불특정 대명사는 형용사가 뒤에서 수식한다.

Practice
․ Picking up a pen slows you down [long enough / enough long] to remember the beautiful people in your life.

․ A space rock [big enough / enough big] to cause widespread damage will hit the Earth only about once every 1,000 years, but experts say the destruction would be so extreme that nations should develop a joint defense against space rocks.

․ People often move their hands to emphasize what they are saying and to show the person listening to them that they are saying [important something / something important].