A crafty knave needs no broker. 狡猾的流氓，不需居間人。
A creaking door hangs long on its hinges. 户樞不蠹。
Action is the proper fruit of knowledge. 行動是知識的`巧果。
Actions speak louder than words. 事實勝於雄辯。
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。
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