牝

骊黄牝牡

lí huáng pìn mǔ

a black stallion or possibly a yellow mare (idiom); don't judge by outward appearance

小牝牛

xiǎo pìn niú

heifer

牝牡

pìn mǔ

male and female

牝牡骊黄

pìn mǔ lí huáng

a black stallion or possibly a yellow mare (idiom); don't judge by outward appearance

牝鸡司晨

pìn jī sī chén

female chicken crows at daybreak (idiom); a woman usurps authority

牝鸡牡鸣

pìn jī mǔ míng

female chicken crows at daybreak (idiom); a woman usurps authority