I was determined to be a professional dancer, and practised for hours every day.我决意要成为职业舞者，每天练习很多个小时。You'll have to really work at it if you want to be a professional dancer.如果你想成为职业舞蹈家就必须好好下工夫。They were amazed to discover that their grandmother had been a professional dancer.他们惊奇地发现他们的祖母曾是专业舞蹈演员。