1
- no obj.(of a person or animal) have severe difficulty in breathing because of a constricted or obstructed throat or a lack of air（人, 动物）噎住, 呛住, 哽住; 窒息：
Willie choked on a mouthful of tea.
威利被一口茶水呛住了。
1.1
- with obj. hinder or obstruct the breathing of (a person or animal) in such a way闷塞, 闷死; 掐死; 噎塞（人, 动物）。
1.2
- with obj. retard the growth of or kill (a plant) by depriving it of light, air, or nourishment阻碍（植物）生长; （因缺少光照, 空气或营养致使植物）干死：
the bracken will choke the wild gladiolus.
欧洲蕨会阻碍野生唐菖蒲的生长。
1.3
- with obj. prevent or suppress the occurrence of (something)阻碍; 抑制：
higher rates of interest choke off investment demand.
高利率抑制了投资需求。
1.4
- no obj. informal (in sports) fail to perform at a crucial point of a sporting contest owing to a failure of nerve〈非正式〉（体育比赛用语）关键时因紧张表现不佳：
we were the only team not to choke when it came to the crunch.
我们是惟一一支没在关键时刻表现失常的队伍。
2
- with obj.（常作be choked with）fill (a passage or space), especially so as to make movement difficult or impossible阻塞, 堵塞, 塞满（通道, 空间）：
the roads were choked with traffic.
路上交通阻塞。
3
- with obj.（常作be choked）overwhelm and make (someone) speechless with a strong and typically negative feeling or emotion（因强烈和常为消极的情感或情绪）使（某人）无言：
she was choked with angry emotion.
她气得说不出话来。
3.1
- （一般作be choked up）cause (someone) to feel tearful or extremely upset使哽咽; 使沮丧：
I was so choked up I started crying and couldn't sing any more
我哽咽得太厉害, 哭了起来, 再也唱不下去了
no obj. I just choked up reading it.读到它我就哽咽了。
3.2
- suppress (a strong emotion or the expression of such an emotion)压制（强烈情感或其流露）：
Liz was choking back her anger.
莉兹拼命压住怒气。
4
- with obj. enrich the fuel mixture in (a petrol engine) by reducing the intake of air阻塞（汽油引擎）的气门（以加浓可燃混合气）。
1
- a valve in the carburettor of a petrol engine that is used to reduce the amount of air in the fuel mixture when the engine is started（汽油引擎化油器的）喉管, 阻气门（引擎发动时用以减少可燃混合气的空气含量）。
1.1
- a knob which controls such a valve扼流器, 阻气门把手。
2
- a narrowed part of a shotgun bore, typically near the muzzle and serving to restrict the spread of the shot枪筒喉缩（位于霰弹猎枪近枪口处, 用以限制子弹的发散）。
3
- informal an electrical inductor, especially an inductance coil used to smooth the variations of an alternating current or to alter its phase〈非正式〉扼流圈（尤指感应线圈, 用以调顺交流电变化或改变其相位）。
4
- an act or the sound of a person or animal having or seeming to have difficulty in breathing（人或动物的）窒息; 噎声, 哽声：
a little choke of laughter.
闷声一笑。
词源
Middle English: from Old English ācēocian (verb)， from cēoce （see CHEEK）.
短语动词
choke something down
- swallow something with difficulty强咽下：
I attempted to choke down supper.
我试着强咽下晚饭。