Definition
Used to express relief or pleasure at the departure or removal of something bad, unwanted, or of poor quality.
太好了！（表示欢迎不受欢迎的人或事物离开）
He finally resigned, good riddance.
他终于辞职了，总算摆脱了。
The old car finally broke down and was written off, good riddance.
那辆旧车终于坏了，被报废了，总算摆脱了。
The company finally decided to stop that failed project, good riddance.
公司终于决定停止那个失败的项目，总算摆脱了。