tails

柯林斯词典

1. N-COUNT The tail of an animal, bird, or fish is the part extending beyond the end of its body. 尾巴
...a black dog with a long tail. …一只长尾巴的黑狗。
2. N-COUNT You can use tail to refer to the end or back of something, especially something long and thin. (尤指细长物体的) 尾部
...the horizontal stabilizer bar on the plane's tail. …飞机尾部的水平稳定杆。
3. N-PLURAL If a man is wearing tails, he is wearing a formal jacket which has two long pieces hanging down at the back. 燕尾服
...men in tails and women in party dresses. …穿燕尾服的男士和穿宴会礼服的女士。
4. V-T To tail someone means to follow close behind them and watch where they go and what they do. 跟踪[非正式]
Officers had tailed the gang during a major undercover operation. 警方在一次重大的秘密行动中跟踪过这个团伙。
5. ADV If you toss a coin and it comes down tails, you can see the side of it that does not have a picture of a head on it. (硬币) 反面朝上地[ADV after v]
"Heads or tails?"
“正面还是反面？”
The captain called heads as usual — and the coin came down tails. 队长像以往一样叫了正面—可硬币反面朝上地落了下来。
6. cannot make head or tail of something→see head