Guà yángtóu mài gǒuròu shì yī jù chángyòng de chéngyǔ.
'Hang a sheep's head while selling dog meat' is a commonly used idiom.
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culture
狗肉 is a highly contested topic in modern China. The annual Yulin Dog Meat Festival (玉林狗肉节) draws international attention and domestic debate. Attitudes toward eating dog meat vary significantly by region and generation.