Sb / Sth is the shit.
Sb / Sth is awesome/ the coolest.
超棒超酷的，超牛X的！
Hey! You have to try this Spaghetti! It is the shit!
誒！你必須得試試這個意大利面！巨好吃的！
Oh my god! Thank you so much! You are the shit!
天哪，太謝謝你了，你太棒了！

注意the一定不能落掉，否則意思完全相反了：
This Spaghetti is shit!
這意大利面跟狗屎一樣！

Sb / Sth is so sick. = Sb / Sth is so cool.
Somebody is even talented at something!
某人很棒很贊！或某人很有天賦！
Oh my god! Tana is soooooo sick! You should introduce me to her!
天哪，Tana這個女孩紙也太棒了吧！你要把我介紹給她啊！
She is so sick! Have you seen her paintings?
她超有天賦的！你看過她的畫嗎？
This spaghetti is so sick!
這意大利面很贊！

Sb is such a badass!
someone who is tough and ethical and compared to other people… other people seem normal compared to them!
一個非常厲害，不在意世俗的眼光，打破正常常規的標準的人
She is such a badass, she stood up to her boss when no one had the guts to !
她超diao的，所有人都沒膽對抗老板的時候，她站了出來！

bitch
很“厲害”的女人，經歷了很多困難時候，但是熬過來并且很成功的女人
Ariana Grande must have been a real bitch! Look where she is now!
Ariana Grande真的厲害！看看她如今的成就！