aren't

英 [ɑːnt]

美 [ɑːrnt]

are not 的常用口语形式; am not的口语形式，用于疑问句或附加疑问句中

Collins.4

牛津词典

short form

(are not 的常用口语形式）
Aren'tis the usual spoken form of 'are not'.
（am not的口语形式，用于疑问句或附加问句中）
Aren'tis the form of 'am not' that is used in questions or tags in spoken English.

I hate to dampen your spirits but aren't you overlooking a couple of minor points.
我不想扫你的兴，但你是否忽视了几个小的问题呢？
You're quite a party animal aren't you, out there every night
你就是为派对而生的，不是吗，每天晚上你都去参加派对。
You're tired, aren't you?
你是累了不是？
Aren't you afraid of being seen as a righteous crusader?
你不怕被人看作是一个装腔作势的改革者？
We aren't playing well as a team, and that's a fact
我们作为一个球队打得并不好，事实就是如此。
'But we're having such fun, aren't we?' he protested with a teasing smile
“可是我们现在玩得很开心，不是吗？”他戏谑地笑着抗议道。
Things aren't ideal, but that's the best you can hope for
事情并不理想，但你只能指望这样了。
Wild guesses aren't much in my line
瞎猜并不是我的专长。
I know you think I'm stupid, but we're stuck with each other, aren't we?
我知道你认为我愚蠢，但我们俩谁都摆脱不了谁，不是吗？
It's a good thing you aren't married
幸好你没有结婚。