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。

youdao

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。

youdao

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'

Players bet on whether the coins will both fall heads up or tails up, and the winner takes all.

WSJ: Two-Up, A Game Australians Flip Over, Loses Luster When Legalized