1. 龙卷风：typhoon 台风 | whirlwind 龙卷风 | gale 季节风

1. (陆地或海洋上的)旋风，旋流
A whirlwind is a tall column of air which spins round and round very fast and moves across the land or sea.

2. 一连串的突发事件
You can describe a situation in which a lot of things happen very quickly and are very difficult for someone to control as a whirlwind .

e.g. I had been running around southern England in a whirlwind of activity...
我一直奔忙于英格兰南部地区，疲于应对一连串的活动。
e.g. He had been swept aside in the whirlwind of reform and anarchy.
在改革和无政府状态交织的混乱风暴中，他被抛在了一边，没人理睬。

3. 旋风般的;匆匆忙忙的;快速的
A whirlwind event or action happens or is done much more quickly than normal.

e.g. He got married after a whirlwind romance.
在一场旋风式的恋爱后他很快就结婚了。
e.g. ... a whirlwind tour of France.
走马观花式的法国之旅

noun

1. a more or less vertical column of air whirling around itself as it moves over the surface of the Earth