Who and when use "ain't"? Is it a rude word?

What does it mean by "sleep with the fishes"? ah, i see. yep, i saw this phrase exactly in God father. thanks ;)

Great Japanese Notebook!! I was so surprised that there are so many great notebook In Japanese here!! I know Japanese is not so easy language to study, but many people learn my language, Japanese. Whenever I saw notebook about Japan, I'm very proud of my country as a Japanese!(^^)!

What do you read to improve your English? Novel. newspaper, or magazine?

Study German? I'm wondering should I start studying German again or not. Actually, I studied it for about one and half year since my major is English and German and English have a same origin as a language. But program is that my English is no perfect, or far from it lol Can I study both language together? Generally, English is much helpful for me in Japan. I don't say studying German is fun, but I don't wanna study small grammar. Any suggestion?

Build Vocabulary  What is the best way to build vocabulary?
Will you tell your way to study new vocabulary?

What's the difference hospital and clinic? When do you use hospital and clinic?

What is the best way to use this page? I'm still not familiar with this page. How do you use this page to improve the language you study?

Independent Day Wow, I didn't know 4th of July is American independent day although I was in States.