Mighty was their fuss about little matters, and marvellous, sometimes, the obtuseness that allowed greater ones to slip between their fingers Whenever such a mischance occurred—when a waggon-load of valuable merchandise had been smuggled ashore, at noonday, perhaps, and directly beneath their unsuspicious noses—nothing could exceed the vigilance and alacrity with which they proceeded to lock, and double-lock, and secure with tape and sealing-wax, all the avenues of the delinquent…
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too obtuse to grasp the implications of his behavior
How can she be so brilliantly incisive on one page and so infuriatingly obtuse on the next?