back up
US /bæk ˈʌp/
UK /bæk ˈʌp/

1.
membuat salinan, menyalin
to make a copy of information on your computer
:
•
You should always back up your important files.
Anda harus sentiasa membuat salinan fail penting anda.
•
Did you remember to back up the system before the update?
Adakah anda ingat untuk membuat salinan sistem sebelum kemas kini?
2.
menyokong, menguatkan
to support someone or something
:
•
I'll back you up if you need help.
Saya akan menyokong anda jika anda memerlukan bantuan.
•
The evidence doesn't back up his claims.
Bukti tidak menyokong dakwaannya.