You have a night off tonight. - A night off?

所以你今晚可以放假 -放假？

" Oh, why don't we have a night off? " said Hermione brightly, as a silver-tailed Weasley rocket zoomed past the window.

“嘿，今晚我们为什么不休息一下呢？”赫敏欢快地说，这时候一枚拖着银色尾巴的韦斯莱火箭飞快地从窗户外掠过。