1. 预言：prognosticate 预言 | prognostication 预言 | prognosticator 预言者

2. 前兆：prognosis 预报 | prognostication 前兆 | prognosticreserves 预测储量

3. 预测,先兆：prognostic a.预示的,预兆的;预测的n.前兆,预兆;预测 | prognostication 预测,先兆 | progradation 推进[作用];延伸[作用]

1. 预言；预测
    A prognostication is a statement about what you think will happen in the future.

    e.g. The country is currently obsessed with gloomy prognostications about its future.
           该国现在正弥漫着对未来的悲观预测。

noun

1. knowledge of the future (usually said to be obtained from a divine source)

    Synonym: prophecyvaticination

2. a statement made about the future

    Synonym: predictionforetellingforecasting

3. a sign of something about to happen

    e.g. he looked for an omen before going into battle

    Synonym: omenportentpresageprognosticprodigy