高兴与沮丧
I'm on top of the world.
Nothing could make me happier.
I'm high on life.
I'm on Cloud Nine.
I'm really disappointed with him.
No chance at all.
I'm downhearted.
I'm feeling low.
I've been down in the dumps lately.
高兴
A: How is your new car?
B: Perfect. Couldn't be better.
A: You made a good choice then?
B: It's just what I want.
A: No regrets?
B：I'm really pleased with it.
A: I'm glad you're happy.
B: It's super.