Get on the right/wrong side of somebody

Pro Tip 1/3

Indicates your social standing with someone based on their opinion of you.

If you study hard, you'll certainly get on the right side of your teacher.

Pro Tip 2/3

Expresses a shift in someone's feelings towards you, from neutral to positive or negative.

Be careful not to get on the wrong side of grandma by arriving late.

Pro Tip 3/3

Can reflect cultural norms of respect and politeness, important in social and professional settings.

She got on the right side of the locals by learning a few phrases in their language.