abatement [ə'beitmənt]

减少，降低（名词）

(noun) A lowering in amount or intensity; a reduction.

EXAMPLE: To increase foreign trade the government is planning an abatement of tariffs.

为增加对外贸易，政府计划降低关税。

adverse reaction

不良反应（正式用语）

(FORMAL) A collocation describing any negative result.

EXAMPLE: The stock market's recent decline appears to have been an adverse reaction stemming from the closure of several large banks.

近来股市的下滑显然是数家大银行倒闭所导致的不良反应。