1、 i'm not feeling well.

我覺得不舒服。

2、 i'm feeling very bad.

我覺得很不舒服。

3、 i don't feel myself lately.

我最近感到不舒服。

4、 what shall(should) i do?

我該怎么辦?

5、 should i stay in the hospital?

我需要住院嗎?

6、 the pain seems less.

我的疼痛有些減輕。

7、 will it go away by itself ( soon)?

它能自然(很快)痊愈嗎?

8、 when shall i come back?