capricious

• 形容人或事物变化无常、难以预测，常因一时兴起而反复改变。

Describes someone or something that is unpredictable, changeable, or subject to sudden whims.

1. Given to sudden changes of moodC1formal

   Characterized by unpredictable and sudden changes in mood or behavior.

   反复无常的

   • Her capricious nature made it hard to plan anything with her.
   • The capricious weather changed from sunshine to rain in minutes.
   • He was known for his capricious decisions, often reversing them without warning.

   同义词changeablefickleflightyimpulsiveinconstantmercurialmoodyunpredictablevolatilewhimsical

   反义词constantequableeven-temperedpredictablestablesteady

2. Unpredictable or erraticC1formal

   Changing suddenly and without apparent reason; not consistent.

   反复无常的

   • The stock market can be capricious, reacting to rumors and news.
   • Capricious winds made sailing difficult that day.
   • The artist's capricious style evolved rapidly, leaving critics confused.

   同义词changeableerraticfickleflightyimpulsiveinconstantmercurialunpredictablevolatilewhimsical

   反义词consistentconstantdependablepredictablereliablestablesteady