strictest
adj.
严格的( strict的最高级 );
严谨的;
绝对的;
恪守教规（或信条等）的;
例句:
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All your replies will be treated in the strictest confidence.
你的所有答复都将绝对保密。
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We must practise the strictest frugality and economy.
我们必须实行最严格意义上的俭省节约。
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It's not quite peace in the strictest sense of the word, rather the absence of war.
严格说来，这并不是真正的和平，只是没有战争罢了。
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I have Intreated Mrs Selwyn to observe the strictest secrecy.
来自F. Burney
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These behemoths face the closest scrutiny and strictest capital demands.
来自WSJ
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He is, by the strictest definition, a bad businessman.
来自NEWYORKER