Despite the challenges, the would-be politician remained determined to run for office.

would-be 是由 would 和 be 组成的复合形容词，would 表示"意愿"，be 表示"成为"。would-be 用来形容"想要成为某种身份但尚未实现的人"，可以翻译为"有志成为...的"或"准..."。 在这个例句中，would-be politician 指"有志从政但尚未正式成为政治家的人"。