Mike has to sell his dog. Peter wants to buy it.
Peter: Is this dog faithful ?
Mike: Yes, I have sold it 3 times earlier also. It is so faithful, everytime it returned back to me.
1.as faithful as a dog：像狗一般的忠诚在西方文化中狗是"忠实卖力辛劳"的化身
2.as busy as a bee：象蜜蜂忙忙碌碌的
6.as poor as a church mouse：一贫如洗