更不用说 gèngbùyòngshuō let alone Origin Definitions Defs Strokes Stroke Words Sentences Sents 更 gèng adverb even more more; even more; still more (used to indicate a higher degree)不用说 不用說 bùyòngshuō conjunction let alone not to mention; used to indicate that if a certain case is true, then the case in question is even more so