Swings

Who swings too high, achieves nothing.

It's swings and roundabouts.

He had huge mood swings.

She had huge mood swings.

Tom is prone to mood swings.

Pluto has a very unusual orbit. Once every 248 Earth years, Pluto swings inside the orbit of Neptune. It stays there for twenty years. During those twenty years, Pluto is closer to the Sun than Neptune.

After he was released from the psychiatric hospital, Dan continued to suffer severe mood swings and erratic behavior.

I didn't see any children playing on the swings.

They like to play on the swings in the park.

My children like to play on the swings in the park near my house.