serve their time的用法和樣例：
例句
用作不及物動詞 (vi.)
- If Fernandez is shown the door, the board could either buy out his contract immediately or allow him to serve out his term.
如果請費爾南德斯走路，教育局可以付錢馬上終止合約，或是讓他做滿任期。 - Thus Mr Thaksin became the only prime minister in Thailand's fitful democratic history to serve out his full term.
他信由此成為了泰國斷斷續續的民主史上唯一一位滿任期在位的總理。
