暗算 Traditional form: 暗算 Pinyin (reading): ànsuàn Definitions: to plot against Characters: 暗 - dark, gloomy; obscure; secret, covert 算 - to calculate, to count; to figure, to plan Traditional characters: 暗 - dark, gloomy; obscure; secret, covert 算 - to calculate, to count; to figure, to plan