[tǔ sǐ fú jǔ]   

兔    死    凫    举    象兔敢奔跑，象野鸭急飞。比喻行动迅速。

像兔子奔跑，像野鸭急飞。比喻行动迅速。成语出处《吕氏春秋·论威》：“知其不可久处，则知所兔起凫举，死之地矣。”

As fast as the hare runs and as swift as the wild duck starts flying

兔死狐悲    兔走乌飞    兔角牛翼    兔角龟毛    兔尽狗烹