这些激情象飓风，无处不在、反复无常地吹拂著我，吹过深重的瘔海，濒于绝境。

These enthusiasms, like great winds, have thumped me hither and thither, in a large partward lesson, over a deep sea of anguish, reaching apt the quite brim of despair.

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如果这个女孩反复无常地在电话里和你谈好几个小时但是第二天不顾你，则这种情况是她喜怒无常。

If the girl is inconsistently talking to you for hours on the phone and ignoring you the next day then the case is she is moody.

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“由于全球市场的持续不稳定，消费者的日常开销也反复无常，快消品公司必须进行准确地预判市场，以减少成本和维持利润。”他补充道。

"As the global economy continues to be volatile and consumer spending remains unsteady, consumer products companies must accurately predict sales to decrease costs and maintain profits," he added.

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