“不得已”的拼音？

“不得已”的英语可以翻译为：act against one's will，be forced to，have no alternative but to，have to ...

他们不得已买了顶层楼座的廉价票。They had been forced to find cheap tickets in the gallery.不得已迁移至另一城市工作forced relocation to a job in another city实在不得已,她只好请几天假.She had no alternative but to ask for a few days'leave....