i want to learn because i feel ashamed as a Chinese person who doesn't know how to speak her country's official dialect also i like to watch Korean dramas and when i watch Chinese dramas and hear one thing but see the sub saying something else, I wonder if i'm misunderstanding something.

by itself "ending with jack" would mean, by the end of it all, she will have nothing in this context, it means that she doesn't seem to like Jack very much, but she needs someone to change her circumstances, and if she is desperate enough, she'll have to work with Jack.

i've personally never heard of a clasp being used like that...a clasp can be a buckle but not necessarily a zipper or a brooch, by the way, no such thing as "broocher" a clasp is something like pulls one thing and clamps down on the other side to hold them together

in English, it's best not to repeat the same word in the same sentence. just saying, there are many other words that would fit better than "don't" also if this was professional, try to avoid using contractions Wouldn't you like to know as well? Wouldn't you want to know?

Today is German National Day. Shops are closed the entire day. 

I went for a run this morning and watched a movie in the afternoon. I suddenly found that life in Germany is not that boring, if all things are well organized.

I'm waiting for the tonight's football match. Come on, BVB!