崇德文教基金會三重區親德青少年班

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. 時機失了無法挽回。

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. 老家夥學不出新名堂。

An old physician, and a young lawyer. 醫生年老的好，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聖徒。