低档 dīdàng low-grade Definitions Defs Origin Strokes Stroke Words Sentences Sents dīdàng low-grade 低 dī adjective low-level low in grade, rank, quality, degree, or price档 檔 dàng noun grade The grade, class, or quality of goods or services.dīdàng low point 低 dī adjective low-level low in grade, rank, quality, degree, or price档 檔 dàng gap A gap or interval in time or space; a vacancydīdàng low gear 低 dī adjective low-level low in grade, rank, quality, degree, or price档 檔 dàng gear A gear or speed setting in a vehicle's transmission; often written as 挡 dǎng.