2009
2009实用新潮口语短句集锦（实用3篇）
Certainly! Here are the phrases you provided, polished for clarity and correctness: Who knows? - 天晓得！ It is not a big deal! - 没什么了不起！ What's going on? - 怎么回事，怎么搞的。 Take it easy. - 慢慢来。 Don't
