against one’s will不情愿地 违心地
at a loss不知所措 困惑不解
beside the point离题的 不相关的
by all means务必 一定
by chance偶然
for the sake of为了
for the time being暂时
from beginning to end从头到尾
from time to time不时地 时时
in addition to除了~~还
in any case无论如何
in bed睡着
in case以防 万一
in charge of负责
in detail详细地
in fear of害怕
in honor of向~~致敬 为纪念、祝贺
in memory of为纪念
in no time很快 立刻
in particular特别
in place of代替
in reply to答复
in return作为报答
in sight of看见
in spite of不顾
in the course of在~~过程中
in the eyes在~~看来
in the least丝毫
in the meantime与此同时
in vain徒劳
on account of因为
on behalf of代表
on guard提防
on purpose故意的
on the air广播
on the radio通过无线电
on the whole总的说来
on watch值班 守望
out of breath喘不过气来
out of order出毛病
out of place不合适
out of practice生疏 荒废
out of sight看不见
out of work失业
to this day直到今天