介紹：

Have an axe to grind against someone
抬杠
He just likes to have an axe to grind against everybody around him for no reason.
他就是喜歡和周圍所有人抬杠，沒有任何原因。

Grind v. 磨光,磨鋒利
My grandpa used to grind knives on a special stone.
我爺爺過去在一種特殊的石頭上面磨刀。

Someone who always has an axe to grind
杠精
She’s the one who always has an axe to grind in the company. Nobody likes her.
她是公司里的杠精。不招人喜歡。

Troll n. (網上的) 杠精
A troll is someone who leaves an intentionally annoying message on the internet, in order to get attention or cause trouble.
Troll指的是一個人，ta喜歡故意在網上留煩人的言論，目的是引起注意或者制造麻煩。

Argumentative adj. 好爭辯的
He’s such an argumentative person that I don’t like to talk to him.
他是個杠精，我不喜歡和他講話。