???? A crafty knave needs no broker. 狡猾的流氓，不需居間人。

　　A creaking door hangs long on its hinges. 戶樞不蠹。

　　Action is the proper fruit of knowledge. 行動是知識的巧果。

　　Actions speak louder than words. 事實勝于雄辯。

　　A discontented man knows not where to sit easy. 不滿足者坐無寧時。

　　A disease known is half cured. 病情確診斷，治病好一半。

　　Admonish your friends in private, praise them in public. 在私底下要忠告你的朋友，在公開場合又表揚你的朋友。

　　A dog will not howl if you beat him with a bone. 骨頭打狗狗不叫。

　　Adversity is a good discipline. 苦難是磨練人的好機會。

　　Adversity leads to prosperity. 逆境迎向昌盛。

　　Adversity makes a man wise, not rich. 患難使人聰明，但不能致富。

　　Adversity makes strange bedfellows. 身處逆境不擇友。

　　Adversity successfully overcome is the highest glory. 成功地克服困難是最大的光榮。

　　A fair death honours the whole life. 死得光明，終身榮耀。

　　A fair face may hide a foul heart. 人不可貌相。

　　A faithful friend is hard to find. 益友難得。

　　A fall into the pit, a gain in your wit. 吃一塹，長一智。