at (someone's) elbow

near someone, often in order to help them.

She hovered constantly at Charles's elbow to make sure he had everything he wanted.

• go the whole nine yards
• go thin on top
• go through
• go through fire and water
• 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