| 牝 | [ pìn ] (of a bird, animal or plant) female, keyhole, valley |
| 牝牡 | [ pìn mǔ ] male and female |
| 牝牡驪黃 | [ pìn mǔ lí huáng ] a black stallion or possibly a yellow mare (idiom); don't judge by outward appearance |
| 牝雞司晨 | [ pìn jī sī chén ] female chicken crows at daybreak (idiom); a woman usurps authority, women meddle in politics, The female wears the trousers. |
| 牝雞牡鳴 | [ pìn jī mǔ míng ] female chicken crows at daybreak (idiom); a woman usurps authority, women meddle in politics, The female wears the trousers. |
| ⇒ 小牝牛 | [ pìn niú ] heifer |
| ⇒ 驪黃牝牡 | [ lí huáng pìn mǔ ] a black stallion or possibly a yellow mare (idiom); don't judge by outward appearance |