be lost in thought沉思
be tired from因……而疲乏
be tired out疲倦极了
be true of适用于
be unequal to无法胜任……的
be united as one团结一致
be used as被…用作
get used to习惯于
be well up in精通,熟悉
be willing to(do)乐意…
be worse off处境较坏,情况恶化
be wrong with有点毛病,有些不舒服
be used to习惯于
be useful to对…有用
be wild with joy欣喜
be worried about为…而担心
be worth(doing)值得(做)
above all首先,毕竟
at a11完全,根本
all over遍及,到处
not at all一点也不
leave alone听其自然,更不用说
one after another一个接一个
anything but除…以外任何事(物),根本不
as for至于,就…方面说
after all终于,毕竟;虽然这样
all but几乎,差一点
in all总共,总计
aU out全力以赴,竭尽全力
alongwith与…一起
one another互相
as……as像…一样
as if好像,仿佛
as though好像,仿佛
as well也,又
not as/so……as不如…那样
back of在…后部,在……背部
had better最好还是,应该
but for除……以外,倘没有,除非
either……or或…或,不是…就是;无论……还是
even if/though即使,虽然
as to至于,关于
as well as(除……之外)也,既……又
back and forth往返,来来往往地
because 0f由于,因为
both…and既…又…,两个都
each other互相
or else否则,要不然
even then即使那样
except for除…之外
by far……得多,最
so far迄今为止
if only要是…就
in itself本身
at least至少,最低程度
a little一点;一些,少许
quite a little相当多,不少
as/so far as远至,到……程度
far from远非,远离