They realized that one of the mice was blind and could not see anything, and the other one was trying to allow the blind mouse to bite on his tail so he could pull the blind one with him to escape.

• 但很奇怪的是，两只老鼠出了洞口以后，却不立时逃走，而是在洞口附近互相追赶，像是要咬对方的尾巴似的。