1
- a small insect小虫。
1.1
- informal a harmful micro-organism, typically a bacterium〈非正式〉有害的微生物（尤指病菌）。
1.2
- an illness caused by such a micro-organism因病菌引起的疾病：
he'd just recovered from a flu bug.
他的流感刚好。
1.3
- with modifier figurative, informal an enthusiastic, almost obsessive, interest in something〈喻, 非正式〉着迷, 热衷：
they caught the sailing bug
他们对帆船运动非常着迷
Joe was bitten by the showbiz bug.
乔对娱乐性行业非常热心。
2
- （亦作true bug）Entomology an insect of a large order distinguished by having mouthparts that are modified for piercing and sucking【昆】半翅目昆虫。
2.1
- Order Hemiptera.半翅目。参见HEMIPTERA.
3
- a miniature microphone, typically concealed in a room or telephone窃听器。
4
- an error in a computer program or system计算机程序（或系统）中的错误。
(bugged, bugging)with obj.
1
- （常作be bugged）conceal or miniature microphone in (a room or telephone) in order to eavesdrop or record someone's conversations illicitly在（房间或电话里）装窃听器：
the telephones of the presidential palace were bugged.
总统府的电话被人装了窃听器。
1.1
- record or eavesdrop on (a conversation) in this way窃听（谈话）。
2
- informal annoy or bother (someone)〈非正式〉使困扰, 打扰：
a persistent reporter was bugging me.
有个不胜其烦的记者总是跟着我。
词源
early 17th cent.: of unknown origin. Current verb senses date from the early 20th cent.
短语动词
bug off
- N. Amer. informal go away〈北美, 非正式〉走开。
bug out
N. Amer. informal <北美, 非正式>
1
- leave quickly迅速撤退：
if you see enemy troops, bug out.
如发现敌军, 你们就迅速撤退。
2
- bulge outwards凸出：
men's eyes bug out when she walks past.
当她路过时, 男人们的眼珠子都鼓出来了。