" Don't be a spoilsport, Arthur! " boomed Ludo Bagman, rattling his pockets excitedly.

“要扫兴嘛，亚瑟！”卢多·巴格曼粗声大气地说，一边兴奋地把口袋里的钱弄得叮当乱响。

When the spoilsport ruins the fun, he always does so by refusing to play by the rules.

有些扫兴的人会使游戏变得索然无味、毫无乐趣可言，往往循游戏规则。

" What a spoilsport, " Song Jixin grumbled with a displeased expression.

“真个宠坏的，”宋继欣一脸悦地抱怨道。

You wouldn't want to get a reputation for being a spoilsport, would you?

你可想落下一个扫兴的人的名声，吧？

Nathan is telling Bethany that if she leaves now, she'll get the reputation for being a spoilsport.

Nathan 告诉 Bethany， 如果她现在就离开，就会落得个扫兴的人的名声。

' As Will turned and began making his way towards the church, I thought I heard him murmur, 'Spoilsport.

“当威尔转身开始向教堂走去时，我想我听到他喃喃自语， ” 宠坏了。

Oh, go home, William, if you're going to be such a spoilsport. -All right, I will.

你非要这么扫兴，还回家吧，威廉。-好，回就回。

Oh, go home, William. If you're gonna be such a spoilsport...

威廉 你要还这么扫兴 就回家。

Here what Bethany means is that she would rather have the reputation for being a spoilsport than being the kind of person who keeps drinking as the night goes on – at least, I think that's what she means.

这里Bethany的意思，她宁愿被视一个扫兴的人，也愿被看作那种整晚都在喝酒的人——至少，我认她这个意思。