If your customer thinks he's been had, you have to make him happy.

要是顾客觉得他受骗了，你得想法取悦他。

《柯林斯英汉双解大词典》

That'll make him happy.

那会让他高兴的。

youdao

I want to buy something special for my grandpa to make him happy.

我想买一些特别的东西给我爷爷，让他高兴。

youdao

Besides,Sylvie wanted to make him happy.

VOA: special.2010.04.03

They say China is stronger and richer now, and that would make him happy.

NPR: Tourism Along the Yellow River Glorifies China's Past

One of my UK sports sources says they want to keep him from going to Europe and have been bending rules to make him happy.

FORBES: Is Brazilian Soccer Star Neymar Spending His Way To Bankruptcy?

Would achieving this much make him happy?

FORBES: Capitalism Has Made Steve Jobs Happy