29. can’t help doing sth. 禁不住做某事 30. an unforgettable experience 一次难以忘怀的经历 31. have every right to do sth. 完全有权利做某事 32. embarrass sb. in public 当众使某人尴尬 33. mean to do= intend to do = plan to do 打算干某事 ...