"Singing and dancing" 可以用 "sing and dance" 来表达。
来源：“sing” 是动词，意思是“唱歌”；“dance” 是动词，意思是“跳舞”。
例句：
"She loves to sing and dance at parties." (她喜欢在派对上唱歌跳舞。)
"The children were singing and dancing in the park." (孩子们在公园里唱歌跳舞。)
"He sings and dances professionally." (他是专业唱歌跳舞的人。)