tossup

It is a tossup whether we shall get there in time.

我们否能及赶到那里很难说。

It was a tossup between spending the night in the van and walking ten miles for help.

在客货车里睡一走上十英里求援,当实在进退两难。

Jennifer : It's a tossup between the foot warmer and drink warmer. With my luck, the blanket would probably catch on fire.

暖脚和暖饮料真难选耶。以我运气，毯子八成会著火。