The team has their tail up after they won their first game.

赢了第一场后，所有队员都兴高采烈。

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Tail up and wagging is a sign of friendliness, playfulness, anticipation and excitement;

尾巴向上翘并摇摆是友好、玩耍、期待和兴奋的表示；

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"And then I turn around and I see this little puppy dog looking up at me, wagging her tail,and uh, everything just left.I got calm.

VOA: special.2009.12.11

The dinosaur had a very long tail, up to twice the length of its body.

BBC: News | Sci/Tech | New dinosaur discovered in England

Drogba, such a formidable force when his tail is up, still looked short of his best in the first half, when his hesitancy in front of goal allowed first Michel Salgado and then Gael Givet to dispossess him with saving tackles.

BBC: Does victory over Blackburn indicate a Chelsea revival?

Pilkington said the plane was flying low, with its nose up and tail down.

CNN: Navy jet has 'catastrophic mechanical malfunction,' hits apartments in Virginia