An nod is as good as a wink to a blind horse. 對牛彈琴。

An oak is not felled at one stroke. 萬事不能一蹴而就。

An occasion lost cannot be redeemed. 時(shí)機(jī)失了無法挽回。

An old dog barks not in vain. 老犬不空吠。

An old dog bites sore. 老狗咬人痛得很。

An old dog cannot alter its way of barking. 老狗難改吠聲。

An old dog will learn no new tricks. 老家夥學(xué)不出新名堂。

An old physician, and a young lawyer. 醫(yī)生年老的好，律師年輕的俏。

An old poacher makes the best keeper. 老偷獵者是最好的看守人。

An open door may tempt a saint. 一扇開著的大門可誘惑一個(gè)圣徒。

An optimist sees an opportunity in every calamity; a pessimist sees a calamity in every opportunity. 樂觀的人在災(zāi)難中看到希望;悲觀的人在希望中看到災(zāi)難。

An ounce of prevention is worth a pound of cure. 預(yù)防勝于治療。

An ox is taken by the horns, and the man by the tongue. 牛因有腳而被抓，人因有舌而遭殃。

Answer a fool according to his folly. 以其人之道，還治其人之身。

An upright judge has more regard to justice than to men. 正直的法官重法勝于重人。