1. It ill beseems you to refuse.
   你不该拒绝。
2. It did not beseem him to leave his friend without help.
   他不应置朋友于不顾而离去。
3. It does not beseem you.
   这不适合你。
4. The result of experiment show that this algorithm has good robust against JPEG，and frangibility against the familiar attacks，and beseem to selective authentication for image.
   实验结果表明，该方法对JPEG压缩具有很好的鲁棒性，同时对滤波和加噪等处理具有很好的易碎性，适合于图像的内容认证。

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