Master the complete HSK 4 Chinese vocabulary in this comprehensive 4.5-hour course. Learn essential intermediate Mandarin words, including verbs, adjectives, adverbs, and nouns, with pinyin and English sentence examples. Access free supplementary materials like audio files, flashcards, and PDFs at mandarincorner.org to reinforce your learning. Dive into 20 detailed lessons covering 169 verbs, 86 adjectives, 57 adverbs, 250 nouns, and additional vocabulary, systematically building your Mandarin language skills for the HSK 4 exam.