打折扣
【注音】dǎ zhé kòu
【解释】不按应该的或约定的去做。
Meaning fall short of a requirement or promise.
【例子】
例：老蔡的话总是要打不少折扣的，不能全信。
Ex.：You shouldn’t take Lao Cao’s words so seriously. It never comes true 100%.
               
戴高帽
【注音】dài gāo mào
【解释】过去，帽子有官帽，什么样的官儿，带什么样的帽子。自然，帽子越大越高，做的官儿也就越大。所以，给人“戴高帽”就是奉承人的意思。
In the old time, hat is part of the official uniform, and its style vary from rank to rank. Of course, the taller the hat is, the higher the rank is. Therefore, this expression takes on a meaning of flattering.
【例子】
例：赵科长就是喜欢别人给他戴高帽，你越恭维他，他越高兴。
Ex.：Mr. Zhao is fond of being flattered, the higher your praise is, the happier he is.