[shǔ shǒu fèn shì]   

鼠    首    偾    事    坏了事情。比喻人办事没决断，就象胆小的老鼠，在出洞时头在洞口伸伸缩缩一样。

坏了事情。比喻人办事没决断，就象胆小的老鼠，在出洞时头在洞口伸伸缩缩一样。

As timid as a rat which peeps out its head and dares to do nothing

鼠心狼肺    鼠目麞头    鼠撺狼奔    鼠雀之牙    鼠穴寻羊