perhaps; possibly; maybe; by some chance
perhaps; possibly; maybe; by any chance; if I'm not mistaken
若しかすると彼は約束を忘れているかも。
Perhaps he has forgotten the promise.
若しかすると今日は雨になるかもしれない。
Perhaps it might rain today.
若しかすると彼女は病気なのかもしれない。
Perhaps she might be sick.