Note how these animals sometimes walk with their tails up in the air.

注意观察这些动物有时如何翘起尾巴走路。

《牛津词典》

Today in the New York Stock Exchange, all the brokers are tails up.

今天在纽约股市交易所，所有的股民都高兴了。

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One night, a sparkle woke Tails up coming from the plant on the window.

一天晚上，一道由窗前的植物所发出的光芒惊醒了塔尔斯。

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You might say the probability that you toss a coin and it comes up heads is a half, because it's equally likely to be heads and tails.

如果你抛一枚硬币,正面向上的概率一定是50%,因为正反哪一面向上的可能性是相同的

耶鲁公开课 - 金融市场课程节选

Forest by now had their tails up and they were flooding forward at every opportunity.

BBC: Nottm Forest 4-1 Gillingham

Both wanted to be first again, stood with tails up, furry scimitars, noses touching at the door jamb.

NPR: Excerpt: 'The Broken Shore'

With their tails up, the Bantams surged forward and earned themselves a corner.

BBC: Bradford 1-1 Aston Villa