I grabbed him by the neck.是什么意思？

I grabbed him by the neck.

我掐住他的脖子。

grabbed

v. 抢先，抢占( grab的过去式和过去分词 )，（尤指匆忙地）取，攫取，（尤指自私、贪婪地）捞取；

例句
Billy Ewing grabbed him by the elbow and took him aside...
比利·尤因拉着他的胳膊肘把他带到了一边。

him

pron. (he的宾格)他；

例句
They said goodbye to him as he got aboard the train at Union Station.
当他在联合火车站登上火车之际，他们向他道别。

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

neck

n. 颈，脖子，衣领，海峡，[地]岩颈；vi. 搂着脖子亲吻，相拥互吻，变狭窄；vt. 使变细，与…搂著脖子亲吻，割颈杀死（家禽等）；

例句
Poor posture can cause neck ache, headaches and breathing problems.
姿势不当会导致颈部疼痛、头痛和呼吸困难。