Tra từ enough - Từ điển Oxford Advanced Learner 8th

enough determiner, pronoun, adverb BrE [ɪˈnʌf] NAmE [ɪˈnʌf]
determiner used before plural or uncountable nouns to mean ‘as many or as much as sb needs or wants’
Syn: ↑sufficient
• Have you made enough copies?
• Is there enough room for me?
•I didn't have enough clothes to last a week.
•Don't ask me to do it. I've got enough problems as it is.
• (old-fashioned)There was food enough for all. Although enough after a noun now sounds old-fashioned, time enough is still fairly common
•There'll be time enough to relax when you've finished your work.

Word Origin:
Old English genōg, of Germanic origin; related to Dutch genoeg and German genug.
Idioms: curiously/funnily/oddly/strangely enough ▪ ↑enough already ▪ ↑enough is enough ▪ ↑enough said ▪ ↑have had enough

pronoun
as many or as much as sb needs or wants
• Six bottles should be enough.
• Have you had enough (= to eat)?
•If enough of you are interested, we'll organize a trip to the theatre.
•There was nowhere near enough for everybody.
•We've nearly run out of paper. Do you think there's enough for today?

Word Origin:
Old English genōg, of Germanic origin; related to Dutch genoeg and German genug.

adverb (used after verbs, adjectives and adverbs)
1. to the necessary degree
• I hadn't trained enough for the game.
• This house isn't big enough for us.
•She's old enough to decide for herself.
•We didn't leave early enough.
•Tell them it's just not good enough.
2. to an acceptable degree, but not to a very great degree
• He seemed pleasant enough to me.
3. to a degree that you do not wish to get any greater
• I hope my job's safe. Life is hard enough as it is.
more at fair enough at ↑fair _adj., go far enough at ↑far _adv., like enough at ↑like _adv., be man enough at ↑man _n., near enough at ↑near _adv., right enough at ↑right _adj., sure enough at ↑sure _adv.

Word Origin:
[enough] Old English genōg, of Germanic origin; related to Dutch genoeg and German genug.