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YYzai Dictionary is an easy-to-use and powerful online Chinese dictionary.Excellent translation:
A little is better than none.聊胜于无。
A little fire is quickly trodden out.
小洞易补。
A blunt knife may be sharpened on a stone, but if a man is stupid there is no help for his stupidity.
刀钝石上磨,人蠢没奈何。
A liar is not believed when he speaks the truth.
骗子说真话,也没人相信。
A house divided against itself cannot stand.
家庭不睦,万事不兴。