Bedeutung von "back" Essential English Dictionary

back

adverb uk /bæk/

A1 to the place where someone or something was before:

When do you go back to college?
I put it back in the cupboard.

A2 as a reply or reaction to something:

Can I call you back later?

B1 in a direction behind you:

She stepped back.

B1 to the state something or someone was in before:

Try to go back to sleep.

to an earlier time:

Looking back, I think we did the right thing.
back and forth

in one direction then the opposite way, many times:

She goes back and forth between the London and Paris quite often.

(Definition von "back adverb" von Cambridge Essential Dictionary © Cambridge University Press)