兔起凫举

[成语]
tǔ qǐ fú jǔ

[含义]
凫：野鸭。象兔敢奔跑，象野鸭急飞。比喻行动迅速。

[来源]
《吕氏春秋·论威》：“知其不可久处，则知所兔起凫举，死惛之地矣。”

[用法]
联合式；作状语；含褒义，用于书面语

[同义词]
兔起鹘落


[英文]
as fast as the hare runs and as swift as the wild duck starts flying