have something under one's belt

She too has over 20 years of experience under her belt.

Just wait when they get another year under their belt.

The year under our belt will make a big difference.

That was with two months of full training and court time under her belt.

She also had a number of successful cases under her belt.

"We need a few more months of experience under our belt."

I don't care who you were playing against or where, it was good to get one under your belt.

I suggest first getting another 4 years of life under your belt.

For a kid who hasn't had any college experience, he's got some games to get under his belt.

I made up my mind that we had to get somebody with management under his belt.