名詞 riddance:

1. the act of removing or getting rid of something
   同義詞：elimination
2. the act of forcing out someone or something
   同義詞：ejection, exclusion, expulsion

1. Bill thought it was good riddance when his little brother broke his toy drum.
   比爾的小弟弟弄破了他的玩具鼓時，他覺得很高興。
2. I've thrown out all the old furniture, and good riddance!
   我把那舊家具統(tǒng)統(tǒng)扔掉了，真是謝天謝地！

rid.dance

n.（名詞）
A deliverance from or removal of something unwanted or undesirable:
擺脫，解脫：從不需要的或不理想的事情中解脫或消除：
例句：
.Compeyson took it easy as a good riddance for both sides.(Charles Dickens)
.康姆派森輕松地認為，它對雙方都是一個很好的解脫.(查爾斯·狄更斯)

The act of ridding:
免除，清除：除去的動作：
例句：
riddance of household pests.
除掉家里的害蟲