Tra từ away - Từ điển Oxford Advanced Learner 8th

away BrE [əˈweɪ] NAmE [əˈweɪ] adverb
For the special uses of away in phrasal verbs, look at the entries for the verbs. For example get away with sth is in the phrasal verb section at get.
1. to or at a distance from sb/sth in space or time
• The beach is a mile away.
• Christmas is still months away.
•~ from sb/sth The station is a few minutes' walk away from here.
2. to a different place or in a different direction
• Go away!
• Put your toys away.
•The bright light made her look away.
3. not present
Syn: ↑absent
• There were ten children away yesterday.
• Sorry, he's away.
•~ from sb/sth She was away from work for a week.
4. used after verbs to say that sth is done continuously or with a lot of energy
•She was still writing away furiously when the bell went.
•They were soon chatting away like old friends.
5. until disappearing completely
• The water boiled away.
• The music faded away.
•They danced the night away (= all night).
6. (sport)at the opponent's ground or ↑stadium
•Chelsea are playing away this Saturday.
•an away match/game
compare ↑home
more at blow/clear the cobwebs away at ↑cobwebs, dance the night away at ↑dance _v., far and away at ↑far _adv., right away/off at ↑right _adv., straight away at ↑straight _adv.
Idiom: ↑away with …

Word Origin:
[away] Old English onweg, aweg ‘on one's way’ (from a- ‘to, towards’ and ↑way).