inconstancy

基本解释

On the other hand, inconstancy often results in failure.
反之，缺乏恒心常常导致失败。
Hermia was looking at him and wondering at his strange inconstancy.
赫米亚望着他，对他莫名其妙的反复无常感到很惊奇。
Are those who have been disappointed in their first choice, whether from the inconstancy of its object, or the perverseness of circumstances, to be equally indifferent during the rest of their lives?
难道凡是第一次选择失当的人，无论因为对象朝三暮四，还是因为情况违逆多舛，就该一辈子漠然处之？

By including such data in their computer simulations, climate modellers may be able to tell whether solar inconstancy deserves some of the blame heaped on greenhouse gases.
ECONOMIST: Global warming: In flux The
To be sure, President Clinton's personal qualities, predilections and shortcomings as a leader -- which are ever more on display -- are contributing greatly to the seeming incoherence, volatility and inconstancy of contemporary American foreign and defense policy.
CENTERFORSECURITYPOLICY: Center For Security Policy