1
- with obj. pursue and kill (a wild animal) for sport or food追猎; 猎取; 猎杀, 射杀（野生动物）：
in the autumn they hunted deer
秋天他们猎鹿
no obj. they hunted and fished.他们打猎捕鱼。
1.1
- chiefly Brit. pursue (a wild animal, especially a fox or deer) on horseback using hounds〈主英〉用（马和猎犬）狩猎（尤指猎狐或鹿）。
1.2
- Brit. use (a hound or a horse) for hunting〈英〉用猎犬（或骑马）打猎。
1.3
- (of an animal) chase and kill (its prey)（动物）追捕（猎物）：
mice are hunted by weasels and foxes
老鼠受黄鼠狼和狐狸追捕
no obj. lionesses hunt in groups.雌狮成群猎食。
1.4
- no obj. try to find someone or something by searching carefully（仔细地）搜寻, 寻找：
he desperately hunted for a new job.
他拼命地寻找新工作。
1.5
hunt something out/up
search for something until it is found搜寻（直到找到）。
1.6
- with obj.(of the police) search for (a criminal)（警察）追捕, 搜索（罪犯）：
the gang is being hunted by police
这个团伙正受到警察的追捕
no obj. police are hunting for her attacker.警察在追捕攻击她的人。
1.7
hunt someone down
pursue and capture someone捕获。
2
- no obj.(of a machine, instrument needle, or system) oscillate about a desired speed, position, or state（机器、仪表针或系统）摆动; 振荡; 振动。
2.1
- (of an aircraft or rocket) oscillate about a mean flight path（飞机, 火箭）不规则摆动, 振荡。
3
- no obj.
hunt down/up
(in change-ringing) move the place of a bell in a simple progression（钟声组合中）变化顺序。
1
- an act of hunting wild animals or game狩猎, 打猎。
1.1
- an association of people who meet regularly to hunt, especially with hounds狩猎团（定期碰头打猎, 且多用猎犬狩猎）。
1.2
- an area where hunting takes place猎区, 狩猎场。
1.3
- a search搜寻：
police launched a hunt for the killer.
警察发起对凶手的搜寻。
2
- an oscillating motion about a desired speed, position, or state摆动; 振荡; 振动。
词源
Old English huntian, of Germanic origin. The sense in change-ringing dates from the late 17th cent., and is probably based on the idea of the bells pursuing one another; it gave rise to the sense 'oscillate about a desired speed' （late 19th cent.）.