狗急跳墻

- A dog will leap over a wall in desperation.; A cornered beast will do something desperate.; A cornered dog will leap over a wall (in desperation).; A desperate dog tries to jump over the wall.; Desperation drives a dog to jump over a wall.; Dispair gives courage to a coward.; Drive a dog into a corner and he'll fight.; One will take desperate measures if pushed to the wall.; Tread on a worm and it will turn.