This is my brother. He's cool.

这是我的哥哥，他很酷。

youdao

Because I think he's cool.

因为我觉得他很酷。

youdao

Someone defrauded an insurance company, and he's cool.

他解释说：“你讹了保险公司，你也牛！”

youdao

Don't you know we in a war here? Don't you know we in a war here? He's cool.He's one of us.

VOA: standard.other

And he's just a very like laid-back, cool, honest, good person.

他很随和，很酷，很诚实，是个不错的人。

介绍我的朋友 - SpeakingMax英语口语达人

Yeah, he's one cool kid.

WSJ: Harvey 1 hit, 10 Ks in 7 innings, Mets top Padres

He's such a cool character.

CNN: DC Comics goes for No. 1, fans conflicted

"You're not just trying to identify what's likely and important, but also frankly, what's cool, " he said.

CNN: The future world of 'Call of Duty: Black Ops II'