overwhelm
verb uk/ˌəʊ.vəˈwelm/ us/ˌoʊ.vɚˈwelm/
(FORCE)
[ T ]（用武力）制服，击败，征服
to defeat someone or something by using a lot of force
Government troops have overwhelmed the rebels and seized control of the capital. 政府军已击败了叛乱者，控制了首都。
(EMOTION)
C1 [ T usually passive ]（强烈的感情）充溢，使难以承受，使不知所措
to cause someone to feel sudden strong emotion
They were overwhelmed with/by grief when their baby died. 婴儿夭折时他们悲痛欲绝。
I was overwhelmed by all the flowers and letters of support I received. 收到这些鲜花和支持者的来信让我激动得不知所措。
(WATER)
[ T ] literary（水）淹没，覆盖，漫过
If water overwhelms a place, it covers it suddenly and completely.