switch
verb
noun
swɪtʃ
verb
1
to
change
from
doing
or
using
one
thing
to
doing
or
using
another
转换，转变，改变
I,T
[+
to
]
She
worked
as
a
librarian
before
switching
to
journalism.
她在转行当记者前是图书馆管理员。
switch
from
sth
to
sth
Duval
could
switch
easily
from
French
to
English.
杜瓦尔能够流利自如地从讲法语转换到讲英语。
switch
between
sth
and
sth
He
switches
between
TV
and
theatre
work.
他有时从事电视工作，有时从事戏剧工作。
The
terrorists
will
switch
tactics
.
恐怖分子会改变战术。
switch
sides/allegiance
(start
supporting
a
different
person,
party
etc)
转换立场
He
switched
sides
just
days
before
the
election.
就在竞选的前几天他改变了立场。
switch
attention/focus/emphasis
We
want
to
switch
the
focus
away
from
criticism.
我们想把重点从批评上转移开。
2
to
replace
one
thing
with
another,
or
exchange
things
交换; 调换; 转换;
T
switch
sth
for
sth
Tim
may
switch
his
BMW
for
something
else.
蒂姆可能会把他的宝马车换成别的什么车。
switch
sth
from
sth
to
sth
We’ve
switched
the
meeting
from
Tuesday
to
Thursday.
我们把会议从周二改到了周四。
switch
sth
around
It’s
not
easy
to
switch
clerical
workers
around.
想调换办公室工作人员并不容易。
3
if
you
switch
with
someone
who
does
the
same
job
as
you,
you
exchange
your
working
times
with
theirs
for
a
short
time
[美] 〔与同事〕调换〔上班时间〕，调班;
I,T | AmE BrE
[+
with
]
Tom
said
he’d
switch
with
me
on
Saturday.
汤姆说他想周六和我调班。
He
asked
if
we
could
switch
shifts.
他问我们是否可以调班。
4
to
change
the
way
a
machine
operates,
using
a
switch
〔用开关〕改变〔机器的运转〕，转换
T always + adv/prep
switch
sth
to
sth
Switch
the
freezer
to
‘defrost’.
把冷冻柜开到“除霜”功能。
5
to
turn
off
a
machine,
light,
radio
etc
using
a
switch
〔用开关〕关掉，关上
switch
sth
↔
off
The
burglar
alarm
was
switched
off.
防盗警报器被关上了。
Don’t
forget
to
switch
off
before
you
go.
离开之前别忘记关掉开关。
6
to
stop
listening
to
someone
[非正式] 不听; 不加理睬 （注意 ）
informal
He
just
switches
off
and
ignores
me.
他就是不听，不理我。
7
to
relax
for
a
short
time
〔短暂地〕放松
Switch
off
by
listening
to
music.
听听音乐放松一下。
8
to
turn
on
a
machine,
light,
radio
etc
using
a
switch
〔用开关〕开，打开
switch
sth
↔
on
He
switched
the
torch
on.
他打开手电筒。
When
a
tape
is
put
in
the
VCR,
it
switches
on
automatically
.
录像带放进录像机后，它会自动播放。
9
to
change
from
one
method,
product
etc
to
another
〔方法、产品等〕改变，转变
[+
to
]
We’ve
switched
over
to
telephone
banking.
我们已经改用电话银行服务了。
10
to
change
the
television
CHANNEL
you
are
watching
or
the
radio
station
you
are
listening
to
转换〔电台或电视频道〕
[+
to
]
Switch
over
to
BBC
2.
换到英国广播公司二台。
noun
11
ON/OFF
开/关
a
piece
of
equipment
that
starts
or
stops
the
flow
of
electricity
to
a
machine,
light
etc
when
you
push
it
〔机器、电灯等的〕开关; 电闸
Where’s
the
light
switch
?
电灯开关在哪儿？
an
on-off
switch
开关键
press/flick/throw
etc
a
switch
Tom
flicked
the
switch,
but
nothing
happened.
汤姆按了下开关，但什么反应也没有。
She
claims
she
is
willing
to
throw
the
switch
of
the
electric
chair.
她表示愿意按动电椅开关。
at
the
flick
of
a
switch
(very
quickly
and
easily,
by
pressing
a
switch)
按一下按钮就会…
Petrol
can
be
chosen
at
the
flick
of
a
switch.
只要按一下按钮就可以选择汽油。
12
CHANGE
改变
a
complete
change
from
one
thing
to
another
骤变，突变
usually singular 一般用单数 | AmE spoken informal
an
important
policy
switch
一项重要的政策改变
[+
from/to
]
the
switch
from
agriculture
to
dairy
production
从农业向奶制品生产的转变
[+
in
]
a
switch
in
emphasis
重点的转移
More
shoppers
are
making
the
switch
to
organic
food.
更多的人开始改买有机食品。
that’s
a
switch
‘Ed’s
the
only
one
who’s
not
eating.’
‘That’s
a
switch!’
“只有埃德没在吃。”“这真少见！”
13
RAILWAY
铁路
a
piece
of
railway
track
that
can
be
moved
to
allow
a
train
to
cross
over
from
one
track
to
another
[美] 〔铁路的〕转辙器，道岔
AmE
14
STICK
枝条
a
thin
stick
that
bends
easily
[过时] 细软的枝条
old-fashioned