Definition
to flip a coin into the air, predicting which side will face up in order to make a decision
抛硬币以作决定
My friend and I couldn't decide what to have for dinner, so we tossed up a coin.
我和朋友无法决定晚餐吃什么，所以我们抛硬币决定。
If there's no clear choice, we might as well toss a coin to decide.
如果没有明确的选择，我们不妨抛硬币来决定。
He felt confused about choosing a university and finally decided to toss up a coin.
他对选择大学感到困惑，最后决定抛硬币来决定。