天天 tiāntiān every day Origin Definitions Defs Strokes Stroke Words Sentences Sents 天天向上 tiāntiānxiàngshàng to improve every day to make progress every day; to strive for constant improvement好好学习，天天向上 hǎohǎoxuéxítiāntiānxiàngshàng study hard and make progress every day study hard and every day you will improve; a famous slogan encouraging diligent study