Back - Blow

Question 1

1- Back something up

2- Back someone up

Answer 1

1- Reverter; Voltar
- You’ll have to back up your car so that I can get out.

2- Apoiar
- My wife backed me up over my decision to quit my job.

Question 2

1 - Blow up

2- Blow smt up

Answer 2

1- Explodir
- The racing car blew up after it crashed into the fence.

2- Soprar; Encher
- We have to blow 50 balloons up for the party.