impending

动词 impend:

1. be imminent or about to happen
   同义词：impend

形容词 impending:

1. close in time; about to occur
   同义词：at hand, close at hand, imminent, impendent

1. Hurricane is impending.
   台风就要来了。
2. She was keyed up over her impending operation.
   她为了即将进行的手术而心中忐忑不安。
3. The danger is impending over us.
   危险就在我们面前。
4. Rain is impending.
   要下雨了。