I was puzzled(迷惑的) and I thought , "Perhaps this 2 (not, be) a right thing to talk about. " So I said to him, " Well, shall we talk about the Great Wall? .3 (be) you
ever 3 there? " " Certainly! I 4 (laugh) at if I leave here without seeing it. The Great Wall is wonderful!" " Yes, it is one of the wonders in the world. And people from many countries 5 (come) to visit it. " As I went on 6 (tell) him more about it, he stopped me again," You don't say!"
I couldn't help asking, "Why do you ask me 7 (not, talk) about it?"
" Well, I didn't ask you to do so, " He answered, greatly surprised.
"Didn't you say 'You don't say! '?" I 8 (ask) again.
Hearing this, the foreigner laughed loudly. He began to explain.
" 'You don't say! ' 9 (mean) 'Really'. Perhaps you know little about English
idioms (惯用语). "
Wow！ How foolish I 10 (be)! Since then I have been careful with English idioms.