It's a toss-up whether oil prices will go up or down over the days ahead.

未来这些日子的油价涨落概率是一半对一半。

《柯林斯英汉双解大词典》

It's a toss-up. He said he might work overtime today.

这是没准儿的事。他说他今天有可能加班。

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It's a toss-up between George and Carl; both candidates are good.

乔治和卡尔两位候选人都很好， 让人很难选择。

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But on the basis of usage, it's a toss-up as to which publication is more out-of-touch.

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On the comedic side, it's a toss-up between Seth Rogen's directorial debut "This Is The End, " out June 14, and Edgar Wright's "The World's End, " out October 25.

CNN: The biggest, buzziest movies of 2013

"Now it's kind of a toss-up, " he says.

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