knock/lick (something/someone) into shape

to improve the condition of something or the condition or behaviour of someone.

The prime minister's main aim is to knock the economy into shape.

Little Sean is a bit wild but the teachers'll soon lick him into shape when he starts school.

• go through hell
• go through hoops
• go through like a dose of salts
• go through like a hot knife through butter
• go through like a knife through butter
• go through someone like a dose of salts
• go through something like a dose of salts
• go through something like a hot knife through butter
• go through something like a knife through butter
• go through the floor
• go through the mill
• go through the motions
• go through the roof
• go through the wringer
• go through with
• go through with something
• got it bad
• Got it in one!
• go to any lengths
• go to any lengths to do something
• go to bat for
• go to bat for someone
• go to bat for something
• go to bed with
• go to bed with someone