啮

啮咬

niè yǎo

to gnaw

咬啮

yǎo niè

to gnaw

啮合

niè hé

(of opposing teeth, or gears) to mesh

啮齿动物

niè chǐ dòng wù

rodent

啮齿目

niè chǐ mù

order of rodents (rats, squirrels etc)

啮齿类

niè chǐ lèi

rodents

穷鼠啮狸

qióng shǔ niè lí

a desperate rat will bite the fox (idiom); the smallest worm will turn being trodden on