as I know [learn] to my cost
苦い経験で知っていることだが
as I mentioned before＝as (was) mentioned before
前に申し上げたとおり
as I recall
確か，私の記憶では
As [The way] I see it, ....
私の考えるところでは…
As I see it, we've got two choices.
私の見るところ選択肢は２つ
as if charmed by the music
音楽に魅せられたかのように．
as if to say ...
まるで…と言うかのように
As if you didn't know that!
知りませんて顔なんかして
as indicated by the arrows
（進路を示す）矢印に従って
as instructed
指示通りに
