I like to make friends from different parts of the world. I like to make friends from different parts of the world.

Recently I have made a new friend from Japan. Recently I made a new friend from Japan.

She hasn’t's never been to Hong Kong yet. She's never been to Hong Kong.

I've given a different way of saying this. The word "yet" is correct but makes it sound like she is planning on going which I'm not sure is what you want to imply

So, when I told her we can use mobile phone inside train or bus.s on public transit, So, when I told her we can use mobile phones on public transit,

Sshe was so shocked.! she was shocked!

If you didn’t know, in Japan usethe use of mobile phone inside as on train wills is consider as impolite. If you didn’t know, in Japan the use of mobile phones on trains is consider impolite.

Today I watched a video about a Chinese, he is first time man who travelled to Japan for the first time. Today I watched a video about a Chinese man who travelled to Japan for the first time.

He knows inside train or bus isn’ew that you are not allowed to use a mobile phone on public transit. He knew that you are not allowed to use a mobile phone on public transit.

But he caouldn’t stand the quiet of a bus full of passengers yetwith no one is talking. But he couldn’t stand the quiet of a bus full of passengers with no one talking.

in english the use of "yet" in this sentence sounds like you are trying to me poetic

I always enjoy watch theiring people's reaction to culture shock reaction. I always enjoy watching people's reaction to culture shock.