They mean long life. I remember you liked the calligraphy at the Palace Museum.
长命百岁。我记得上次去故宫,你特别喜欢书法。
The cat and dog may kiss, yet are none the better.
猫犬可相吻,莫逆却难成。
OK. We can get some more tomorrow. We should finish the floor now. Can you take the other end of this piece of wood? Now you have to pull it to make the surface smooth like that.