His captors had put a gag of thick leather in his mouth.

劫持者用一块厚厚的皮革堵住了他的嘴。

I gagged him with a towel. [VERB noun]

我用一条毛巾堵住他的嘴。

Judges must not be gagged. [be VERB-ed]

法官的言论自由不能受到压制。

I knelt by the toilet and gagged. [VERB]

我跪在马桶边，一阵恶心。

...a gag about policemen giving evidence in court. [+ about]

关于警察在法庭作证的一则笑话

Girls everywhere are gagging for a car like this. [VERB + for]

天底下的女孩儿都对这种车梦寐以求。

There are thousands of students absolutely gagging to come to this university. [VERB to-infinitive]

肯定有成千上万的学生都渴望到这所大学念书。