Don’t bother your father with it now; he is tired from work.别去用那件事情烦你爸爸；他工作很累了。
The problem has been bothering me.那个问题一直在困扰我。
18. cancel vt.取消
He cancelled his trip abroad because he fell ill.他因为生病取消了出国之行。
Why did she cancel the appointment with Mr. Black? 她为何取消了跟布莱克先生的预约？
19. ceremony n.典礼，仪式
Did she leave before the closing ceremony? 她在进行闭幕式前就走了吗？
Our relatives were all present at our wedding ceremony.我们的亲属都来参加我们的婚礼了。
20. characteristic a.典型的，有特色的
He spoke to us with characteristic enthusiasm.他以其特有的热情对我们发表了讲话。
The wet weather is characteristic of the northwest of their country.这种潮湿的天气在他们国家的西北是很典型的。
