She dismissed the question with a toss of her head.

她一扬头，对这一问题不予理睬。

《牛津词典》

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》

With a toss of his head and a few hard gulps, Bob finished the last of his beer.

鲍勃仰头咕咚咕咚几大口喝完了剩下的啤酒。

《柯林斯英汉双解大词典》

Primoz Kozmus of Slovenia captured the men's hammer throw gold with a toss of 80.84 meters.

VOA: standard.2009.08.18

I mentioned this before -I think I mentioned it before -if you say, I'm going to ask you to bet on a coin toss.

我之前提到过...,应该提到过...,我邀请你与我赌硬币正反面

耶鲁公开课 - 金融市场课程节选

If you toss a coin twice and the first experiment doesn't influence the second, we say they're independent and there's no relation between the two.

如果你抛两次硬币,第一次的结果并不影响第二次的结果,所以我们说他们是相互独立的,这两次试验没有关系

耶鲁公开课 - 金融市场课程节选

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

FORBES

Indiana, however, is a toss-up, and was the next campaign stop for both candidates.

NPR: Clinton Wins, But Dynamics of the Race Stay Same

The lead, though, remains close enough for pollsters to call the state a toss-up.

FORBES: Battleground States to Watch for This Election