13. I'm rather old-fashioned. I know nothing about the new dance steps.
我都跟不上時代了，我對新舞步一點都不懂。
還能這樣說：
I am out of fashion and don't know anything about the new dance steps.
I am outmoded and poor at the new dance steps.
應用解析：
lead sb. a merry dance 給某人造成極大麻煩；
dance attendance up on sb. 侍候某人，聽其差遣；
dance to sb.'s tune 聽從某人指揮
14. Are you keen on dancing?
你擅長跳舞嗎？
還能這樣說：
Are you good at dancing?
Can you dance well?
應用解析：
as keen as mustard 極熱心的，極熱情的；
keen on sth. 熱衷于某事物，喜愛某事；
keen to do sth. 喜歡做某事
15. It will spice up the party if you dance a solo dance.
你跳個獨舞會給聚會添彩。
還能這樣說：
Your solo dance will add to the brightness of the party.
Your solo will make a good addition to the party.
應用解析：
spice sth. with sth. 用香料給某物調味
16. Now let us sing and dance and be merry.
現(xiàn)在讓我們高高興興地唱歌跳舞吧。
還能這樣說：
Let us enjoy singing and dancing.
Let's sing and dance happily.
應用解析：
make merry 歡宴作樂，慶祝，行樂；
merriment 歡樂，歡笑；
merry-maker 尋歡作樂者；
make merry over 嘲弄
17. He's a good dancer.
他的舞跳得很好。
還能這樣說：
He does well in dancing.
He dances very well.