be in a mess 乱七八糟，处境困难
make a mess of 弄乱，打乱
bear ...in mind 牢记
bring to mind 使回想起
by mistake 错误地
at the moment 此刻，现在
for the moment 暂时
just a moment 稍等片刻
at the last moment 在最后一刻
in the mood for 有情绪去做，有心境做
no more...than 和一样都不
for the most part多半，大多数，一般来说
at most 最多，至多
make the most of 充分利用
be not much of 不是很好的
be something of 有点像
name after 用的名字命名
native to 所产的
by nature 天生的，生来
in mature 本质上
in the nature of 属性质
none other that 不是别人，正是
above normal 高于正常
for nothing 免费
nothing but 只有，不过而已
to say nothing of 更不用说
do sth. at short notice 只给很少时间准备
until further notice 在另行通知前
take notice of 注意
object to 反对
objection to 反对
on occasion 不时地，必要时
by occasion of 由于
occupy oneself with 忙于
it occurs to sb. that... 某人想到
once and for all = once and forever永远地
all at once 立即，马上
once in a while 偶尔
for once就这一次
by oneself 独自
operate on sb. 给某人做手术
operation n.come/ go into operation 开始运转
put/bring sth. into operation 使投产，运转
be of the opinion 持有的看法
in ones opinion 按某人的看法
be opposed to... 反对
be opposite to与相反的