Pinyin chart · cao

How to say cao

cao in its 3 tones, said in a female or a male voice. Tap a tone to hear it.

cao

Tap a tone to hear it; tap it again to hear it slower.

Voice

How to say it

c: Like the ts in “cats”, with a strong puff of air. It is never a k or an s sound.

ao: ao is close to the “ow” of “cow”.

Its tones

cāo 糙 rough · cáo 槽 trough · cǎo 草 grass. cào isn’t used in standard Mandarin. The pinyin trainer practices telling them apart in real words.

Sounds near it

Learners often mix cao up with these. Listen to them one after the other.

Words with cao

The voices are generated speech (ElevenLabs), the same two the app’s word cards use, each tone said as one real word. The words are from the official HSK list (the exam’s 2025 syllabus), easiest first. Every syllable is on the pinyin chart.