toss-up单词什么意思_toss-up单词解释 toss-up的反义词toss-up的例句

名词掷钱，难以定夺的事

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1. (发生几率各半的)相等机会;难以定夺的事
    If you say that it is a toss-up whether one thing will happen or another thing will happen, you mean that either result seems equally likely.

    e.g. It's a toss-up whether oil prices will go up or down over the days ahead.
           油价在今后的日子里会上涨还是下跌都有可能。

noun

1. an unpredictable phenomenon

    e.g. it's a toss-up whether he will win or lose

    Synonym: tossupeven chance