力学笃行 lìxuédǔxíng to study hard and practice earnestly Origin Definitions Defs Strokes Stroke Words Sentences Sents 力学 力學 lìxué to study hard (literary) to study diligently; to be studious笃行 篤行 dǔxíng to practice sincerely To carry out one's obligations conscientiously; to be honest in behavior and diligent in practice.