水すい面めん下かMeaningsNounNo-adjective1. underwater2. behind closed doors; behind the scenes; below the surfaceKanji used水water面surface下belowPitch accentすいめんかComposed of水すい面めんwater's surfaceNoun下かunder (influence, control, conditions, etc. of); during (war, occupation, etc.)SuffixExamples1彼かの女じょは水すい面めん下かにもぐった。She sank under the surface of the water.