不友善

Unkind isn’t the word for it! I’ve never seen anyone treat an animal so cruelly!

用不友容都不够！我从未见过有人如此残酷地对待动物！

Don't jeer at the person who came last in the race — it's very unkind.

不要嘲笑赛跑中跑在最后的人，这很不友的。

She often seems rather unfriendly, but I suppose she’s got her plus points.

她常常看上去很不友，不过我想她有自己的优点。