As long as you're happy.
As long as you're happy，I could do everything for you.
Good for you. 不屑的感觉 =Go fuck yourself
Trump: I just got the promotion that you were hoping for!
Hilary: Good for you!
希拉里：你开心就好... （Good luck.略带讽刺的意味）
光头强：I think I'll be the next Jack Ma in China！
papi酱：Good luck with that. 你开心就好...
John (reading the menu): The steak sounds good, but it's hard to pass up the fried chicken.
Sally: Suit yourself. I'll have the steak.