➡ See also the entry for irritable另见irritable条moody ♦︎ unpredictable ♦︎ volatile ♦︎ excitable ♦︎ temperamentalThese words all describe sb whose mood or behaviour can change quickly.这些词均形容人情绪多变的、行为莫测的、喜怒无常的。PATTERNS AND COLLOCATIONS 句型和搭配◆an unpredictable / a volatile character / personality◆unpredictable / volatile behaviour◆a moody / an unpredictable man◆highly unpredictable / volatile / excitable■moody (disapproving) (of a person) having moods that change quickly and often; bad-tempered or upset, often for no particular reason(人)情绪多变的,喜怒无常的,脾气坏的,郁郁寡欢的◆Moody people can be very difficult to deal with.喜怒无常的人往往很难打交道。 see also mood ⇨ temper■unpredictable ˌʌnprɪˈdɪktəbl if a person or their behaviour is unpredictable, you cannot predict how they will behave in a particular situation(人或其行为)善变的,难以捉摸的◆Her behaviour became so unpredictable when she had been drinking.她一酗酒行为就变得不可捉摸。OPPpredictable ⇨ predictable2■volatile ˈvɒlətaɪl; NAmEˈvɑːlətl (sometimesdisapproving) (of a person or their moods) changing quickly from one mood to another, especially the opposite(人或其情绪)易变的,无定性的,无常性的◆She was a more volatile personality than her sister.跟她姐姐相比,她更没有定性。■excitableɪkˈsaɪtəbl (of people or animals) likely to become easily excited(人或动物)易激动的,易兴奋的◆She had trouble controlling the class of excitable ten-year-olds.她很难管束班里这些易兴奋的十岁儿童。OPPcalm ⇨ calmadj.■temperamental ˌtemprəˈmentl (usuallydisapproving) (of a person) having a tendency to become angry, excited or upset easily, and to behave in an unreasonable way(人)喜怒无常的,容易激动的,反复无常的◆You never know what to expect with her. She's so temperamental.你永远不知道她要干什么,她一时一变。