Where's Mr yu do you know well,it's hard to say.But I saw hi

Where isMr yu,do you know?well,it is hard to say.but Isaw hi Where'sMrYu,do you know?Wellit's hard to say But I saw him a .---Where is Li Gang?Well,it's hard to say .But I saw him __ R :"It's easy to say,but hard to do." I know It' s hard to say in one word It"s easy to say,but it "s hard to do.的意思 It's hard to say,I saw him watching.怎么译 Is difficult to forget the past~But i know it's hard but i g It's black,but you say it's clean .it's white ,but you say i There are many words to say to you, but do not know how to s it's hard to say I know It' s hard to say in one word的翻译