孬种 (nāozhǒng): coward

Meanings

Bié dāng nāozhǒng, zhàn chūlái!

Don't be a coward, step forward!

Tā kě bù shì shénme nāozhǒng.

He's no coward.

memory

孬 is a compound character: 不 (not) + 好 (good) = 'not good,' which makes the meaning intuitive.

register

孬种 is a colloquial insult, mainly used in northern Chinese dialects. It's quite direct and rude.

孬 nāo

种 zhǒng