youdao

I didn't like him at all. I thought he was cool, aloof, and arrogant.

我一点都不喜欢他。我认为他冷漠、不合群又狂妄。

《柯林斯英汉双解大词典》

He was cool, calm, grave, his gray hair was perfectly smooth upon his temples, and he had just mounted the stairs with his habitual deliberation.

他态度冷静、严肃，灰色头发平平整整地贴在两鬓，他刚才走上楼梯的步伐也是和平日一样从容不迫的。

youdao

He said at first he just thought the idea of Pedal People was really cool.

VOA: special.2009.12.04

I mean Thoreau may have been a snob, he may have been smarmy, and he may have wanted you to think he was cool because he sold pencils.

我的意思是,梭罗也许个势利小人,他也许有点爱说奉承话,他也许觉得卖铅笔,会让你们认为他很酷

耶鲁公开课 - 美国内战与重建课程节选

Zeigler was a strange guy, but at the same time he was cool, you know.

NPR: Remembering Army Pfc. Kenneth Zeigler

He was cool as a cucumber in his seersucker suit.

CNN: Mardi Gras 2006

He was cool under fire.

CNN: Jackson: Candidates 'represent hope and healing'