mirth
词根词缀：
admire v. 羡慕
ad 加强 + mir 惊奇；看 + e → 很惊奇地看 → 羡慕
admiration n. 钦佩，赞赏
admire的名词
miracle n. 奇迹
mir 惊奇；看 + acle 表物 → 让人惊奇的东西 → 奇迹
miraculous adj. 奇迹般的
mirac〔le〕奇迹 + ulous …的 → 奇迹般的
mirage n. 奇景，海市蜃楼
mir 惊奇；看 + age 表名词 → 让人惊奇 → 奇景
mirror n. 镜子
mirr 惊奇；看 + or 表器物 → 能看见自己的东西 → 镜子
mirth n. 欢乐，高兴
mir 惊奇；看 + th 表状态 → 惊喜的状态 → 欢乐
eighth num. 第八
seventh num. 第七
sixth num. 第六
tenth num. 第十
数据来源：新东方英语词汇速记大全
相关例句：
His anger gave place to mirth.
他的愤怒消失了，取而代之的是欢笑。
On the world, is best scope, have happy and mirth, we together chat!
世界上最精彩的乐园，拥有快乐和欢笑，我们一起聊天！
Ah, panting, sighing, sighing, ah, fordone, their mirth died down.
啊，筋疲力尽，她们的欢乐逐渐平息了。
For once Dimbleby lost his composure. It was all he could do to stop tears of mirth falling down his cheeks
这一次丁布尔比没能控制住自己的感情。他唯一能做的也就是不让欢乐的泪水流下脸庞。
There came sounds of suppressed mirth.
传来了一阵阵抑制的欢笑声。
The mirth was something of his own and he had no love burning for her there.
那是他自身的愉快，而没有热恋她的迫切愿望。