the tail end就是某物或某事的末端或结尾。
- The tail end of the storm caused the most damage.
- She didn‘t thank her colleagues until the tail end of her long leaving speech.
- We didn‘t find out the name of the killer until the tail end of the story.
值得注意的是，如果你做某事最后的结局是 your tail between your legs 的状态，就是说你做某事失败了或者是做错了，非常尴尬难堪、无地自容的状态。
- Tom left the meeting with his tail between his legs after failing to impress the staff with his plans for the future.