What is the meaning of Kǎo?

Hanyu Pinyin reading of

Hanyu Pinyin reading of

Hanyu Pinyin reading of

Hanyu Pinyin reading of

Hanyu Pinyin reading of

Hanyu Pinyin reading of

Hanyu Pinyin reading of

Hanyu Pinyin reading of

Hanyu Pinyin reading of

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Hanyu Pinyin reading of

Source: wiktionary.org