转入地下 zhuǎnrùdìxià to go underground Origin Definitions Defs Strokes Stroke Words Sentences Sents 转入 轉入 zhuǎnrù verb to switch to To change over or shift into a different state, direction, or category; to transition into.地下 dìxià secret secret or covert activity; often used for illegal or unofficial organizations that operate away from public view