mercurial

• 形容一个人情绪或想法变化无常、难以预测。也可形容事物多变、不稳定。

Describes a person who is subject to sudden or unpredictable changes of mood or mind.

1. Subject to sudden changesC1formal

   Characterized by rapid and unpredictable changes of mood or mind.

   反复无常

   • His mercurial temperament made him difficult to work with.
   • The stock market is mercurial, reacting to every rumor.
   • She has a mercurial personality, shifting from joy to anger in seconds.

   同义词capriciouschangeableerraticficklefluctuatinginconstantquicksilverunpredictablevariablevolatile

   反义词calmconstantequableeven-temperedpredictablereliablestablesteadyunchanging

2. Relating to the element mercuryC2formalscientific

   Containing or relating to the chemical element mercury.

   汞的

   • The mercurial compound was used in old thermometers.
   • Mercurial poisoning can cause severe neurological damage.
   • The lab tested the soil for mercurial contamination.

3. Lively and cleverC1formal

   Having a lively, quick, and shrewd mind.

   机敏活泼

   • She is known for her mercurial wit and sharp humor.
   • His mercurial intelligence impressed the entire panel.
   • The author's mercurial style keeps readers engaged.

   同义词animatedquick-wittedsharpshrewdspiritedvivaciouswitty

   反义词dullslowstupid