as a result 结果，因此
as far as 到……程度;就……而言
as for/to 至于，关于
as good as 几乎，差不多
as if/though 好像，仿佛
as it is/was 实际上，照现状
as it were 可以说,在某种程度上
as soon as 尽快
be about to do sth. 即将、正要做某事
be addicted to 沉溺于
be based on 根据，以……为基础
be better off 有较多钱，比较宽裕
be in doubt 不肯定，不确定
be involved in 牵涉到，涉及；参与
be made up of 由……组成，由……构成
be/keep/get in touch with 和……保持联系
be critical of 对……挑剔,对……吹毛求疵
be destructive of 对……有破坏作用
be doomed to 注定
be economical of 节俭；节省