obstruction of justice
司法防害
obstructions to traffic
交通の妨げ
obtain a full [valid] license from ...
…から正規［有効期限内］の許可を得る
obtain a job
仕事にありつく
obtain knowledge through readings
読書で知識を獲得する
obtain possession of a mansion
邸宅を手に入れる
obvious to everybody
だれにも明白な
Obviously, he is a liar.
彼がうそつきなのは明白だ（It is obvious that ....）
occasion a person much anxiety ＝ occasion much anxiety to a person
人にたいへん心配をかける
occasional essays
特別な場合のために作った小論
