carefully enough和careful enough均可译为“小心点，足够细心”，enough意思是“足够”，在这两个短语中修饰carefully和careful，要区别这两个短语，主要是对carefully和careful的区别：
1、carefully是副词，carefully enough是副词短语，作状语，修饰动词或整个句子：
如：He doesn't work carefully enough. 他工作不够认真。
You must do your homework carefully enough. 你必须足够仔细地做作业。
2、careful是形容词，careful enough是形容词短语，作定语或表语，修饰形容词或与be连用：
如：If you are careful enough， you will get a good result.
如果你小心的话，你会得到一个好的结果。
You ought to be careful enough next time.
你下次再不能这样粗心了。
enough在句中的位置：
1、当enough修饰名词时，可以把enough放在名词的前面，也可以把enough放在名词的后面。
There was food enough for all.所有人都有足够的食物。
2、当enough修饰形容词或副词时，把enough放在动词、形容词或副词的后面。
I hadn't trained enough for the game.对比赛我训练得不够。
