That's a mean dog.

那是一只恶狗。

Her grandfather hated Kelso, thought him a mean dog.

她祖父讨厌凯尔索，认为他是个无赖。

You have to save poor poodle ladies that are held captive by mean dog catchers.

你必须挽救被卑鄙的对狗怀有敌意的人偷走和抓住的可怜的雌性狮子狗。

That's a mean-looking dog.

那狗看上去很凶啊。

Just because I talk to her less than I talk to the dog that doesn't mean that what we have isn't marriage.

仅仅因为我跟臭婆娘说的话比对狗说的少，并不意味着我和臭婆娘之间就不存在婚姻关系。