Pinyin • Pronunciation
Chinese Pinyin Initials — The 21 Initial Consonants
In Mandarin Chinese, a syllable consists of an optional initial (the opening consonant), a final (the vowel nucleus), and a tone. There are exactly 21 valid initials in standard pinyin — every Mandarin syllable either begins with one of these consonants, or begins directly with a vowel (called a “zero-initial” syllable).
The 21 initials are grouped below by their place of articulation — where in your mouth the sound is made. This grouping makes it much easier to hear and reproduce the differences, especially between the three sets that share similar sounds: zh/ch/sh (retroflex), j/q/x (palatal), and z/c/s (sibilant).
Labials
Sounds formed primarily with the lips
Dentals / Alveolars
Sounds formed with the tongue near the upper teeth or alveolar ridge
Velars
Sounds formed with the back of the tongue against the soft palate
Palatals
Sounds formed with the blade of the tongue against the hard palate — only combine with i and ü
Retroflexes
Sounds formed with the tongue curled back (retroflex) — the distinctive 'r-coloured' sounds of Mandarin
Sibilants (Alveolar Affricates)
Sounds formed with the tongue at the alveolar ridge — similar to retroflexes but without tongue curling
The Aspiration Pairs: b/p, d/t, g/k, z/c, zh/ch, j/q
The most important concept in Mandarin initials is aspiration— the puff of air released after certain consonants. In English, both “p” in pin (aspirated) and the “p” in spin(unaspirated) exist, but they never change a word's meaning. In Mandarin, they are completely distinct:
- b, d, g, z, zh, j — unaspirated (no air puff)
- p, t, k, c, ch, q — aspirated (clear air puff)
Hold a piece of paper in front of your mouth: aspirated consonants make it move, unaspirated ones do not. This distinction is one of the first things to train your ear — and your mouth.