谈何容易（談何容易）　

◎ 谈何容易 tánhéróngyì

[be easier said than done;by no means easy] 旧时大臣向君主陈述政见,言辞浅了说不透,言辞深了又不中听,实非易事。今借称凡事办起来不如想象的那样简单