hover
/ˈhɔvə(r); ?@ ˈhʌvər; `hʌvɚ/ v[I, Ipr, Ip]
1 (of birds, etc) remain in the air in one place （指鸟等）遨翔, 盘旋
a hawk hovering above/over its prey 在猎物头顶上盘旋的一只鹰
There was a helicopter hovering overhead. 有一架直升飞机在头顶上盘旋.
2
(a) (of a person) wait in a timid and uncertain manner （指人）彷徨, 踌躇
I can't work with you hovering over me like that. 你那样拿不定主意, 我实在无法与你合作.
She's always hovering around the place annoying people. 她老是在周围转来转去打搅别人.
He hovered about outside, too afraid to go in. 他在外面犹豫徘徊, 因过於胆怯而不敢进去.
(b) remain near sth or in an uncertain state 留在某事物近旁; 维持某种不确定状态
hovering between life and death 处於生死之间
a country hovering on the brink of war 陷於战争边缘的国家.