Have you ever heard "teaching a pig to sing"...

IndependentMind · 2013-06-25 14:03:44Z

Have you ever heard "teaching a pig to sing"...简介

来源: IndependentMind 于 2013-06-25 14:03:44 [档案] [博客] [旧帖] [给我悄悄话] 阅读数 : (132 bytes)

回答: 我还没有放弃，正尽最大的努力帮助教育由糊涂爹娘于 2013-06-25 13:34:10

It wastes your time, and it annoys the pig

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• 我喜欢听典故。Good One！ -糊涂爹娘- ♀ (0 bytes) () 06/25/2013 postreply 15:03:59