break down 的用法和意思，并举例。谢谢

Question

如题所述

Answer 1

意思是（毁掉,
制服,
压倒,
停顿,
倒塌,
中止,
垮掉,
分解
发生故障；失败；）
名词
break
down:1.the
act
of
disrupting
an
established
order
so
it
fails
to
continue
同义词：dislocation,
breakdown
2.a
mental
or
physical
breakdown
同义词：breakdown,
crack-up
3.a
cessation
of
normal
operation
同义词：breakdown,
equipment
failure
4.an
analysis
into
mutually
exclusive
categories
同义词：breakdown,
partitioning
动词
break
down:1.make
a
mathematical,
chemical,
or
grammatical
analysis
of;
break
down
into
components
or
essential
features
同义词：analyze,
analyse,
dissect,
take
apart
2.make
ineffective
同义词：crush
3.lose
control
of
one's
emotions
同义词：lose
it,
snap
4.stop
operating
or
functioning
同义词：fail,
go
bad,
give
way,
die,
give
out,
conk
out,
go,
break
5.separate
(substances)
into
constituent
elements
or
parts
同义词：decompose,
break
up
6.fall
apart
同义词：crumble,
crumple,
tumble,
collapse
7.cause
to
fall
or
collapse
8.collapse
due
to
fatigue,
an
illness,
or
a
sudden
attack
同义词：collapse

Answer 2

break down
vt. 打破，减轻，把 ... 分解
vi. 彻底失败，崩溃，停止运转，放弃，(数据，观点等)站不住脚

例句与用法：
1.He broke down and wept when he heard the news.
他听到这个消息时不禁痛哭起来。
2.Negotiations between the two sides have broken down.
双方谈判已经破裂。
3.Expenditure on the project breaks down as follows: wages 10m, plant 4m, raw materials 5m.
该工程费用开支可分成如下几部分: 工资一千万英镑，厂房设备四百万英镑，原料五百万英镑。
4.The telephone system has broken down.
电话系统失灵了。
5.Firemen had to break the door down to reach the people trapped inside.
消防人员须破门而入，才能抢救困在屋里的人。
6.If law and order break down, anarchy will result.
法治一垮，就会出现无政府状态。
7.We (ie Our car) broke down on the motorway.
我们(的汽车)在高速公路上抛锚了。
8.Her health broke down under the pressure of work.
工作的压力把她的身体弄垮了。