This guy giving you trouble, sis? Sis?

他找你麻烦 姊姊? 姊姊?

Yes, for me an auntie, big sis and little sis.

是的，我和婶婶开，姐姐和妹妹。

Nice shot, sis. - You're not my sister.

不错啊 妹妹 -你不是我姐姐。

Gucci, Louis Vuitton for your sis.

给你妹妹的 Gucci 还有 LV。

You don't have to worry about me, sis.

老姐，你不必担心我。

So instead of 'sis', what you hear is 'siz'.

所以你听到的不是/sis/，而是/siz/。

Your big sis is kind of a disaster, huh?

你姐姐是个大麻烦 对吧？

People who literally will write me saying, hey, sis, are you okay?

有些人真的会写信给我说，嘿，姐姐，你还好吗？

How's my sis feeling with her little turducken in the oven?

我姐姐怀着宝宝感觉怎么样？

I would probably say, like, hey y'all, or like, sis, that was amazing.

我可能会说，“嘿，大家”，或者是“姐妹们，那太棒了”。