1. As a matter of fact, there was quite a lot of hilarity at the meeting.

事实上 那次会议可是轻松有趣得很呢

2. No infiltrate, just enlarged hilar lymph nodes.

没有渗入 只是肺门淋巴结肿大

3. Can't wait to see the hilarity that ensues when I perforate your patella.

那我真是等不及想看看 刺穿你膝盖骨时的欢乐场面了

以上参考资料就是本英汉词典详细汇总的单词hilarity的翻译英语含义，如有错漏请向我们提供反馈意见。