I had a guilty conscience about not telling her the truth.我没有告诉她事实真相，心里觉得内疚/有负罪感。

-tion/station nation mention situation competition cooperation

I appreciate your cooperation.我感谢你的合作。

-t-/patient patience initiate

Learning English takes a lot of patience.学英语需要很多耐心。

-c-/ocean social sociable socialism racial special commercial official appreciate

She has a very active social life.她过着非常活跃的社交生活。

I’m not feeling very social tonight,I’d rather just stay home and read a book.今晚我不大想同别人一起， 我宁愿留在家里读本书。

Ch/machine chef Chicago

That restaurant has a famous chef.那家饭店有个名厨。

What a shame!真遗憾/真可惜！

What a shame you didn’t win!你没赢，真遗憾！

It’s a shame you can’t go shopping with us.很遗憾，你不能与我们一同去购物