mercurial
🇬🇧/mɜːˈkjʊəriəl/ 🇺🇸/mɜːrˈkjʊriəl/ 17GREsatIf you describe someone as mercurial, you mean that they frequently change their mind or mood without warning. 善变的
adjective [原级]水银的；水星的；墨丘利神的；雄辩机智的；活泼善变的
Emily's mercurial temperament made her difficult to live with.
埃米莉脾气反复无常，很难与她相处。
noun [专属名词]汞剂；水银剂
In no sense mercurial, these great fortunes survived the financial panics that destroyed lesser ones.
这些巨大的财富绝不是反复无常的，它们在金融恐慌中幸存了下来。
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