Lawsham smiled shrewdly, as though he knew a better source of supply.

Smiling thinly and shrewdly, he held it up for the women to see.

Collins lowered his binoculars and smiled shrewdly.

She smiled at her father shrewdly.

He smiled shrewdly and tossed it up in the air.

Quite relaxed, Porter smiled shrewdly.

Joe the Guard smiled shrewdly.

Smiling shrewdly, the sallow man stole down the stairway and out to the street.

He smiled shrewdly, knowing now that she knew that he knew.

But if you are not The Master" - he hesitated, then smiled shrewdly - "I can tell you all, without fear.