as is always the case with ...
…はいつもそうなのだが
as is evident from ...
…からはっきりわかるように
as is often the case (with ...)
（…には）よくあることだが
as is one's wont
いつものように
As it happened, I didn't have enough money with me.
あいにくお金を十分持ち合わせていなかった
as light as air
空気のように軽い
(for) as long as I live
生きているかぎり
as long as my life lasts
命の続く限り
As many as ten students failed the exam.
１０人もの生徒が試験に落ちた
as matters stand
現状では
