some useful proverb!(continual subject)

One lie makes many. 说一谎需百谎圆。 /z1p/RiX  
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One man\'s meat is another man\'s poison. 人各有所好。 &^&$!Xmu9  
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One swallow does not make a summer. 独燕不成夏；不能单凭一个例子而下定论。 {b'}:aMc  

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Opportunity seldom knocks twice. 机会很少敲两次门，机会难逢。 A{z>D`d  
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Out of sight, out of mind. 久别情疏。

Paddle your own canoe. 自力更生。 (@)2PO/  
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Patience is a virtue. 忍耐是一种美德。 AozmO  
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Pay somebody back in his own coin. 以其人之道，还治其人之身。 Y^R?Q'  
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Pleasant hours fly fast. 欢乐时光总是过得特别快。 %/l-A pu  
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Poverty is the mother of crime. 贫穷为罪恶之母。

Practice makes perfect. 熟能生巧。 onnI !  
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Prevention is better than cure. 预防胜于治疗。 n1QEu"~Zj  
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Pride goes before fall. 骄兵必败。 @B,j;2eb  
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Rome was not built in a day. 罗马不是一天造成的。 .E+OmJwD  
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Saying is one thing and doing is another. 说是一回事，做又是另一回事。 tJ=3'?T_k  
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Searching for a needle in a haystack. 大海捞针。

Second thoughts are best. 三思而后行。 7:n?PN(p6a  
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Seeing is believing. 眼见为实；百闻不如一见。 9s!
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Self-praise is no recommendation. 自己说好不算好。 vO\:vp4fH  
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Silence gives consent. 沉默表示同意。 ~?#~Ar  
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Silence is golden. 沉默是金。

Talk of the devil and he\'s sure to appear. 说曹操，曹操就到。 jcE Msc  
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Tall trees catch much wind. 树大招风。 =0,|/1~  
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The apples on the other side of the wall are the sweetest. 别人的东西总比自己的要好。 {'NBp0i  
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The bait hides the hook. 耳中藏钩；笑里藏刀。 R"@7m!IA  
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The beaten road is the safest. 众人常走之路最安全

The best fish swim near the bottom. 好鱼总在水底游；好酒沉瓮底；珍贵的东西不易得。 ^w.]Hd2  
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The best of friends must part. 最好的朋友亦终须一别。 AcKU^T+  
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The biter is sometimes bit. 骗子有时反被骗。 alFNSRY  
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The bull must be taken by the horns. 捉牛须先捉牛角；勇于面对困难。 j !`B'{cH  
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The child is father of the man. 由小见大；江山易改，本性难移。