狗急为何会跳墙“狗急跳墙”这个成语 ,是以狗在危急时会做出意想不到的举动 ,来比喻走投无路时不顾后果地冒险。尽管人们非常熟悉这一成语 ,但对于“狗急”为何会“跳墙” ,似乎一下难以讲清其中原因。狗在窘急时能跳过比它身高几倍的墙头 ,这确是事实。这一现象得从它的生理 Why doggy jump wall “Doggy jumping wall” idiom, is the dog in an emergency will make unexpected moves, to metaphor desperation regardless of the consequences of adventure. Although people are very familiar with this idiom, it seems difficult to tell why “doggy” jumps in the wall. It is indeed a fact that dogs can skip the walls several times larger than their height when embarrassed. This phenomenon is derived from its physiology