MANDARIN CHINESE 普通话

Speaking 说 | Listening 听 | Reading 读 | Writing 写 | Subject-oriented 专项 (Business 商业, Daily Life 日常, Idiom 成语, Tongue Twister 绕口令, Classical Chinese 文言文, Poetry 诗, HSK 国际汉语水平考试）

"A worker must first sharpen his tools if he wants to do his job well.” — Confucius

“工欲善其事，必先利其器。” — 孔子