他具有某种魅力。
He's got ___a ___certain charm.
她的眼中仍闪烁着那种光芒和某种骄傲。
There was still that gleam and ___a ___certain kind of pride in her eyes.
那栋老房子有种神秘感。
There was ___a ___certain air of mystery about the old house.