volatile

['vɔlətail]

释义

adj.反复无常的
changeable; mercurial; flighty

例句
Jim:You're unpredictable and moody.You're unpleasant and volatile and begging for a fight.（The Newsroom）
吉姆：你喜怒无常，让人难以捉摸。讨人厌，反复无常，还到处找茬。（新闻编辑室）