His hard lines and angles project the arrogance of a confidence man, or as Arlyn Imberman puts it, “a steamroller.”
A tall, exceedingly slender man sat beside the window,—a man well dressed but with hard lines about his mouth and hard eyes.
But hard lines came; 'my poverty but not my will' consented.
Gad, if old Don Ramond seed her now—it were hard lines for her.
The deuce, you've got one today, and I know it's hard lines.
Once more Loria remained silent, his face set in hard lines.
"It will be 'hard lines' upon him if he does," observed Coleman.
The khaki boy said it was hard lines not to get home for Christmas, after all.
“hard lines for poor old Mother Partridge,” suggested Scarfe.
His face, too, looked to me as if it had lost its hard lines and roughness—perhaps the firelight caused that to seem so.
: the President's hard-line views on abortion
A policy or attitude based on severity and lack of compromise: Take a hard line with them or they'll murder you (1960s+)