Dancing gracefully: Basic explanation: describes dancing briskly.
Pinyin pronunciation: piān piān qǐ wǔ
Synonyms: singing, dancing, dancing
Usage: more formal; used as predicate and attributive; used to describe dancing postures
Singing and dancing: Basic explanation: the music is brisk and the dance is graceful.
Pinyin pronunciation: qīng gē màn wǔ
Usage example: The round sound of Fan chant is actually "added" to ~, isn't it just intentional? (Lu Xun's "Lace Literature: Dharma Assembly and Opera")
Antonym: Singing and dancing
Usage: conjunction; as predicate, object; with complimentary meaning
Source of the idiom: The first chapter of "The Marriage of Two Generations" by Qiao Mengfu of Yuan Dynasty: "It is rare among the singing prostitutes to have a beautiful face like the eldest sister, who can sing and dance beautifully."