throw in (your) lot with (someone)

to join a person or group and accept that whatever happens to them will also happen to you.

He's understandably reluctant to throw in his lot with a struggling young company who might not exist in a year's time.

• go the distance
• go the extra mile
• go the full distance
• go the whole hog
• 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