offhand

not friendly, and showing little interest in other people in a way that seems slightly rude

不友好的;漫不经心的;怠慢的

He was very offhand with me.

他完全是在敷衍我。

I didn't mean to be offhand with her - it's just that I was in such a hurry.

我希望我没有表现出怠慢了她——我不过是太匆忙了。