raid到底是个什么概念？

raid
[reId]
n.
袭击, 搜捕
v.
奇袭, 搜捕

raid
raid
AHD:[r³d]
D.J.[reid]
K.K.[red]
n.（名词）
A surprise attack by a small armed force.
突然袭击，奇袭：由小股部队进行的急袭
Sudden, forcible entry into a place by police:
突然搜捕：警察突然使用暴力闯入某地：
a raid on a gambling den.
警察对赌窝的突然袭击
An entrance into another's territory for the purpose of seizing goods or valuables.
侵入：为了攫取货物或财宝而闯入他人领地
A predatory operation mounted against a competitor, especially an attempt to lure away the personnel or membership of a competing organization.
掠夺：对竞争对手采取的掠夺式的行动，尤指目的在于吸引走竞争组织的人员或成员
An attempt to seize control of a company, as by acquiring a majority of its stock.
侵吞：获得对某公司支配权的努力，如通过获得该公司的大部分股票
An attempt by speculators to drive stock prices down by coordinated selling.
抛售股票：投机者为使股票价格大幅下跌而采取的联手抛售行为
v.（动词）
raid.ed， raid.ing， raids
v.tr.（及物动词）
To make a raid on.
袭击：对…发动奇袭
v.i