"I perceive, Avdotya Romanovna, that you seem disposed to undertake his defence all of a sudden," Luzhin observed, twisting his lips into an ambiguous smile, "there’s no doubt that he is an astute man, and insinuating where ladies are concerned, of which Marfa Petrovna, who has died so strangely, is a terrible instance.
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Astute investors spread their risk instead of investing all their money in just one thing.
The astute agent realized that the small print in the contract could severely hurt his client’s bank account.