Phrasal verbs – back something up / back someone up
| 
 Verb  | 
 Meaning  | 
 Example  | 
| 
 back something up  | 
 Reverse  | 
 You’ll have to back up your car so that i can get out.  | 
| 
 back someone up  | 
 Support  | 
 My wife backed me up over my decisión to quit my job.  |