| 81. | modify the shape of the tail fin to reduce drag |
| 修改（飞机）直尾翼的形状以减少阻力
|
| 82. | cast [drop, lay, put, throw] salt on sb.'s tail |
| 捉住[捕获]某人
|
| 83. | tail spin |
| (空）尾旋
|
| 84. | have a sting in the tail |
| 尾上有刺；话中有刺
|
| 85. | sting in the [its] tail |
| （蜂、蝎等）尾部的刺；令人不快的结局；没有预料到的缺陷
|
| 86. | close on sb.'s tail |
| 紧跟在某人后面
|
| 87. | dock the tail of the horse |
| 剪短马的尾巴
|
| 88. | get the [one's] tail down |
| （口）情绪低落，意气消沉
|
| 89. | get [keep] one's tail up |
| （口）情绪高昂;毫不气馁;（海）（海员）不受约束;翘尾巴
|
| 90. | have one's tail up [down ] |
| 情绪好[不好]
|