2N-VAR (令人不快的或难以对付的人或事物的)大批进入,涌入 If you refer to the arrival of a large number of people or things as an invasion, you are emphasizing that they are unpleasant or difficult to deal with. (令人不快的或难以对付的人或事物的)大批进入,涌入
...this year's annual invasion of flies, wasps and ants. [+ of]
今年,苍蝇、黄蜂和蚂蚁同往年一样的大批进犯
Seaside resorts such as Blackpool and Brighton are preparing for a tourist invasion.
3N-VAR 侵扰;干扰 If you describe an action as an invasion, you disapprove of it because it affects someone or something in a way that is not wanted. 侵扰;干扰 [disapproval]
Is reading a child's diary always a gross invasion of privacy? [+ of]
偷看孩子的日记一定是对个人隐私的严重侵犯吗?
...the first skirmish in the invasion of the British Parliament by Brussels.