to fall or lean against something because you are not strong enough to stand

〔因无力站立而〕倒下，倚，靠:

She slumped against the wall.

她一歪倚在墙上。

Carol slumped back in her chair, defeated.

卡萝尔颓然倒在椅子上。

Ben staggered and slumped onto the floor.

本摇摇晃晃地走，栽倒在地板上。

to suddenly go down in price, value, or number

〔价格、价值或数量〕暴跌，剧降;

Sales slumped by 20% last year.

去年销售额骤减 20%。

The currency slumped to a record low.

币值跌到了历史低点。

also be slumped if your shoulders or head slump or are slumped, they bend forward because you are unhappy, tired, or unconscious

〔肩或脑袋〕耷拉着:

Her shoulders slumped and her eyes filled with tears.

她耷拉着双肩，眼里噙满泪水。

a sudden decrease in prices, sales, profits etc

〔价格、销售额、利润等的〕突然下跌:

a slump in car sales

汽车销售量的骤降

a period when there is a reduction in business and many people lose their jobs

〔经济的〕不景气，萧条;

The war was followed by an economic slump.

战后紧接着出现了经济萧条。

a worldwide slump

全球性的经济萧条

[especially AmE] a period when a player or team does not play well

〔运动员或运动队的〕低迷期:

The Dodgers have been in a slump for the last three weeks.

道奇队在过去三周里一直处于低迷期。