Can you use the phrasal verb 'back up'? #shorts

The video tutorial explains the phrase 'back someone up', which means to support someone, especially when they face opposition. It provides an example of a situation where one might need support during an argument. The speaker demonstrates how to request someone to back them up by affirming the truth. The video concludes by encouraging viewers to reflect on their experiences of backing someone up or being backed up and to share their thoughts in the comments.

What new insight or understanding did you gain from this video?