carefully enough和careful enough均可譯為“小心點，足夠細心”，enough意思是“足夠”，在這兩個短語中修飾carefully和careful，要區別這兩個短語，主要是對carefully和careful的區別：

1.carefully是副詞，carefully enough是副詞短語，作狀語，修飾動詞或整個句子：

如：He doesn"t work carefully enough. 他工作不夠認真。

You must do your homework carefully enough. 你必須足夠仔細地做作業。

2.careful是形容詞，careful enough是形容詞短語，作定語或表語，修飾形容詞或與be連用：

如：If you are careful enough, you will get a good result.

如果你小心的話，你會得到一個好的結果。

You ought to be careful enough next time.

你下次再不能這樣粗心了。

enough在句中的位置：

1.當enough修飾名詞時，可以把enough放在名詞的前面，也可以把enough放在名詞的後面。

There was food enough for all.所有人都有足夠的食物。

2.當enough修飾形容詞或副詞時，把enough放在動詞、形容詞或副詞的後面。

I hadn"t trained enough for the game.對比賽我訓練得不夠。