咬人狗儿不露齿 (咬人狗兒不露齒) yǎo rén gǒu ér bù lùchǐ

yǎo rén gǒu ér bù lùchǐ phrase the dog that bites does not show its fangs
Domain: Proverb 谚语
Notes: (CC-CEDICT '咬人狗兒不露齒')