be a fool to

基本解释

One CEO I consulted felt so strongly about it he told me I would be a fool to leave Compaq for Apple.
一个CEO 也坚定地告诉我，如果我为了苹果公司离开Compaq是非常愚蠢的。
Nobody knows when Apple will add Internet connectivity to the Nano, but you'd be a fool to bet against it happening in the next three years.
没有人知道苹果什么时候会为Nano添加网络连接功能，但如果你打赌说三年之内这不可能，那你就傻透了。
And Mr Sarkozy would certainly be a fool to rush in before co-ordinating any proposal with Barack Obama.
而如今萨科奇不和奥巴马协调好便匆忙行动，这会是相当愚蠢的。

That's the whole thing about being a kook,I mean, being willing to be a beginner, make a fool out of oneself once in a while."
It is better to be a human being dissatisfied than a pig satisfied; better to be Socrates dissatisfied than a fool satisfied.
当痛苦的人,胜过当快乐的猪;,当痛苦的苏格拉底胜过当快乐的傻瓜。
耶鲁公开课 - 公正课程节选

You'd be a fool to sell this outfit short under existing rules, since you could get caught in a squeeze.
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Then pointed his gloved left fist at me and shouted, you must be a fool to get in the ring with me.
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