unabiding
adj. 不持久的；短暂的；瞬息的
例句
Perhaps, to exchange the permanent love with the unabiding life was worthful, however, could it be true?
也许用短暂的生命去换取永恒的爱情是很值得的，不过，短暂的生命又真的能换到永恒的爱情吗？
