2. HSK1 Basic 150 Mandarin Chinese Vocabulary (Part 2: Noun & Verb) (Video credits: Hua Jie Language, posted by YouTube)
3. HSK1 Basic 150 Mandarin Chinese Vocabulary (Part 3: Verb, Pronoun & Numeral) (Video credits: Hua Jie Language, posted by YouTube)
4. HSK1 Basic 150 Mandarin Chinese Vocabulary (Part 4: Measure verb, adverb, preposition) (Video credits: Hua Jie Language, posted by YouTube)