I'm easy (to please). 都行
Tom: Hey, man! Do you care if we get a sausage pizza rather than mushroom?
Bob: Fine with me. I'm easy.
I don't feel easy about leaving him alone in the house all day.
An easy touch 冤大头
Ask Tony to lend you some money. He’s an easy touch.
Easy come, easy go 来得快，去得也快
John spends his money as fast as he can earn it. With John it's easy come, easy go.
Go easy on sth.
You really should go easy on the fried food. It can't be good for your health.