be a fool to

基本解釋

One CEO I consulted felt so strongly about it he told me I would be a fool to leave Compaq for Apple.
一個CEO 也堅定地告訴我，如果我為了蘋果公司離開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.
沒有人知道蘋果什么時候會為Nano添加網(wǎng)絡(luò)連接功能，但如果你打賭說三年之內(nèi)這不可能，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.
而如今薩科奇不和奧巴馬協(xié)調(diào)好便匆忙行動，這會是相當(dāng)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.
當(dāng)痛苦的人,勝過當(dāng)快樂的豬;,當(dāng)痛苦的蘇格拉底勝過當(dāng)快樂的傻瓜。
耶魯公開課 - 公正課程節(jié)選

You'd be a fool to sell this outfit short under existing rules, since you could get caught in a squeeze.
FORBES: The Bare Bears
Then pointed his gloved left fist at me and shouted, you must be a fool to get in the ring with me.
NPR: Boxer Muhammad Ali Turns 65