in honor of… 为纪念…,向…表示敬意
at intervals 不时,时时
at length终于,最后,详细地
at a loss困惑,不知所措
by all means无论如何,必定
by means of… 借助于…,用…
by no means决不
by mistake错误地
in nature本质上
on occasion 有时,不时
in particular特别地,尤其,详细地
in the first place起初,首先
in the last place最后
in practice 实际上
at present目前,现在
in proportion to… 与…成比例
for (the) purpose of… 为了…
on purpose故意,有意
at random 随意地,任意地
at any rate无论如何,至少
by reason of… 由于…
with/in regard to… 对于…,就…而论
with respect to… 关于…
as a result结果,因此
as a result of… 由于…的缘故
in the long run最终,从长远观点看
for the sake of… 为了…起见
at first sight乍一看,初看起来
in spite of… 不管…,不顾…
in terms of… 依据…,按照…
on the second thoughts经重新考虑,一转念
from time to time有时,不时
in truth事实上,实际上,的确
on the whole总的来说
take...into account把…加以考虑