former world champion的用法和樣例：
例句
- Clayton Fredericks, a former world champion, said he was impressed by Alex when he started coaching him as a boy.
前世界冠軍克萊頓弗雷德里科斯說，他在華天還是個男孩時開始訓練他，那時就對他印象很深。 - The former World Champion is looking forward to an upturn in form next season - as well as giving a very famous rock star a snooker lesson.
前世界冠軍正在尋求下賽季的突破，而且他還正在給一個著名的搖滾歌星做斯諾克的培訓。
