愉悦口语:第892期 不好说英文怎么说

讲解文本：

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toss-up 说不准，难以定夺的事，掷钱币
Who is gonna win? It's a toss-up.
谁会赢？这个真不好说。
It's a toss-up whether the price will go up or down.
价格上涨或下跌真不好说。

疯狂练习吧！