プログレッシブ和英中辞典(第4版)の解説
くぶくりん【九分九厘】
彼は九分九厘成功する
「In all probability [Ten to one], he will succeed.
君が立候補すれば九分九厘当選する
If you run in the election, you're ninety-nine percent sure to be elected.
この試合は私たちのチームが九分九厘負けだ
Our team's almost sure to lose this game.／The chances against our team's winning this game are a hundred to one.