capricious

adj.

变化无常的；反复无常的；多变的；任性的

1. He judged her to be capricious, and easily weary of the pleasure of the moment.
   他认为她是任性的，很容易对一时的快乐产生厌倦。

Is Nature Probable or Capricious?
Cardiac contusion: a capricious syndrome.
Capricious expression of cortical columns in the primate brain
Coping with a Capricious Environment: A Population Study of a Rare Pierid Butterfly
Control of behavioural strategies for capricious environments
THE CONCEPT OF ALLOSTASIS: COPING WITH A CAPRICIOUS ENVIRONMENT
The LRR proteins capricious and Tartan mediate cell interactions during DV boundary formation in the Drosophila wing
Swingin' in the rain: condition dependence and sexual selection in a capricious world.
Drosophila synapse formation: regulation by transmembrane protein with Leu-rich repeats, CAPRICIOUS.
Regulation of Layer-Specific Targeting by Reciprocal Expression of a Cell Adhesion Molecule, Capricious