英 [ɪnˈkɒnstənsi] 美 [ɪnˈkɑːnstənsi]
n. 反复无常，易变；不定性
unfaithfulness by virtue of being unreliable or treacherous
同义词： faithlessness / falseness / fickleness
the quality of being changeable and variable
同义词： changefulness
反复无常
... inadequacy n.不足之处，不充分 inconstancy n.反复无常 incurably ad.治不好地，不能矫正地 ...
沙巴拉拉虽然打进赛事第一个进球，但南非队有始无终(Inconstancy)未成大器。理想老公的条件，带的出去，带的回来。
... inconsonance不协调 inconstancy易变性；不规则 inconstantfold不稳定褶皱 ...
... inconsonance不协调 inconstancy易变性；不规则 inconstantfold不稳定褶皱 ...
inconstant 变化无常的；易变的；多变的
反复无常，易变；不定性
Then talk not of inconstancy.
不要去谈那反复无常。
There is nothing in this world constant, but inconstancy.
世界上除了多变以外，没有一成不变的东西。
There is nothing in this world constant, but inconstancy. -jonathan Swift.
除无常外，世间无恒久之事。——乔纳森·斯威夫特。
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.
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.
At the same time, consumers got an extra bill to support wind farms that, because of the inconstancy of the wind, operate at 25% of their capacity (figure from the British Wind Energy Association) or 8% (according to E.on, a large operator of UK wind farms).