多变的英文：
fickle

Most Americans prefer to read fast-moving adventure stories that we call "thrillers"
大部分美国人喜欢看我们称之为"惊险小说"的情节多变的冒险故事。

Winds are mainly light and variable.
风力多微弱,风向多变.

He is a man with an uncertain temper.
他是一位脾气多变的人。

His opponent couldn't stand up to his varied and fast-changing tactics
他球路多变,令对手防不胜防。

In private his quicksilver manner can charm colleagues.
私下里他多变的性情使同事们着迷。

Ring the changes
使其多变;变化旧物产生新的效果

(of a person)changing quickly from one mood or interest to another;fickle
(指人)情绪或兴趣多变的,无常性的

It is possible to harness the versatile chemical properties of cyanogen azide
氰化叠氮的灵活多变的化学性质是可控制的。

Your mutable motivation brings adaptability.
你的多变使你能够适应事物。

The Arctic has a varied climate, while the Antarctic climate varies little.
北极气候多变，然而南极的气候很少有所变化。

Fluctuating prices usually base on a fickle public's demand.
物价的波动往往是由于群众需求的不稳定而引起的。

feeling of doubt, fickleness uncertainty, and fear of loss often accompany infatuation.
疑虑，花心，不确定和对失落的恐惧常与迷恋如影随形。

As for independents wavering most, unattached voters are naturally more fickle than loyalists.
至于波动最大的独立选民，他们本来就比忠诚的支持者易变。

Wall Street securities firms do not have access to such a stable supply of funding, so they have to raise capital in fickle markets instead.
华尔街的证券公司无法得到基金的稳定供给，所以，作为替代，他们只得在风云变幻的市场里面募集资金。

It will be well for men to resolve at the first approaches of the amorous but fickle pair upon interdicting even an accidental temporary junction
这对多情而又易变的恋人刚一出现，人们就能看出他们无法抑制利用任何机会在起来，哪怕是偶然、临时的机会。