know which side (your) bread is buttered (on)

to be careful not to upset people who you know can help you.

Ollie won't refuse to come with us. He knows which side his bread is buttered.

• so long
• So long.
• somehow or other
• someone after own heart
• someone after your own heart
• someone can't be bothered to
• someone can't be bothered to do something
• someone can't hold a candle to
• someone can't hold a candle to someone else
• someone can't hold a candle to something else
• someone could do something with eyes closed
• someone could do something with eyes shut
• someone could do something with their eyes closed
• someone could do something with their eyes shut
• someone couldn't care less
• someone could with eyes closed
• someone could with eyes shut
• someone could with their eyes closed
• someone could with their eyes shut
• someone, eat your heart out!
• someone from hell
• someone gets religion
• someone has got game
• someone has more bark than bite
• someone is at disposal