hover

vi.

1. （鸟等）盘旋；（直升飞机）停留在空中
   The helicopter hovered over the house.

   直升飞机停留在那房子上空。

2. 徘徊；停留
   The dogs hovered around me while I was fixing their dinner.

   我给狗儿们弄吃的时候它们围着我转。

3. 犹豫，彷徨[（+between）]
   She is hovering between life and death.

   她在生死之间徘徊。