shrewd

But Mr. Sullivan freshens the familiar with shrewd diversions and, above all, the phenomenon of a relentlessly logical investigator confronting a mystery rooted in love and loyalty.

A shrewd trader long ago said the stock market is where smart people think of ways to take money from dumb people.

A shrewd trader long ago said the stock market is where smart people think of ways to take money from dumb people.

"The world is shrewd enough to know the difference between following the letter of the law and using the law as a tool of influence," he wrote.

But as the judge says, profits can be a result of “shrewd management, exceptional efficiency, booming demand, or risky investments that hit big.”