Six letters,two words,easy to say,hard to explain,harder to

Six letters,two words,easy to say,hard to explain,harder to easy to say hard to Easy words so hard to R :"It's easy to say,but hard to do." “easy word so hard to say”是哪首英文歌的歌词 to explain it to him is hard Add two letters to each of the following words to form a phr it hard to say easy to be hard 歌词 what to words contain thousands of letters easy for me to say love u is easy to say,but hard to follow,people are strange