A glare or sharp look used to intimidate; also used figuratively for keeping watch or exerting control (e.g., 'to wield influence').
店主は睨みを利かせて不審者を追い払った。
The shopkeeper used a glare to drive away the suspicious person.
彼女の睨みが怖くて、その場の雰囲気が凍りついた。
Her glare was so frightening that the atmosphere froze.
両者はしばらく睨み合いの状態が続いた。
The two of them continued to stare each other down for a while.