A young dog, especially before sexual maturity

幼犬；未性成熟的小狗

The young of certain animals, such as a rat or seal

某些动物的幼崽，如老鼠或海豹

Informal: any dog, often used affectionately

口语：指狗，常带亲昵称呼

A conceited or impudent young man

贬义：自负无礼的年轻人（尤指男子）

Informal: a thing or item, often one of several

口语：东西、物件，常指众多中的一个

Of a dog: to give birth to pups

动词：（指母狗）生小狗