My husband left the room without saying a word.
His girlfriend left him. That's why he looks so down.
I hear his secretary left him.
She left school before summer vacation.
Please left me a piece of pizza.
Her husband left her a great amount of money.
We shouldn't leave him alone.
Don't leave anything behind you.
A little whisky is still left in the bottle.
I can't find your bag anywhere. Are you sure you left it here?
Don't leave the water running.
What do you eat for lunch? Usually, left over.
leave 物(あるいは人)+形容詞で、物(人)をある状態にしておくという意味になります。窓を開けっぱなしにするなら leave the window open, 持ち物から目を放すなら leave your things unattended となります。