背调 bèidiào background check Origin Definitions Defs Strokes Stroke Words Sentences Sents 背 bèi noun abbreviation of 背景 bèijǐng background background; backdrop; the scenery behind the main subject in a picture, photo, stage play, or film调 調 diào verb abbreviation of 调查 調查 diàochá to investigate to investigate; to survey; to inquire into actual conditions