hit on sb. 搭讪，勾搭，撩
Who was that guy you were talking to at the bar? It looked like he was hitting on you.
hit the sack 去睡觉
It's 10 and time to hit the sack.
hit the road 出发，上路
We'd better hit the road or we'll be late.
hit it off 合得来，志趣相投
Jake and Ben hit it off immediately.
hit the ceiling 暴跳如雷，极其恼火
My dad'll hit the ceiling when he finds out that I wrecked his car.