4代同堂英语

四世同堂 [词典] four generations under one roof; [例句]四世同堂的家庭在美国是不多见的。A family with four generations living together is not common in America.

四代同堂是中国一个值得骄傲的传统习俗（traditional，generation）It is a proud traditional custom to have a family with four generations .老师在讲台前不用看就可以知道哪个学生表现不好（without doing，behave）Teachers know clearly about the students' behavour without looking.保护环境是首要考虑的问题（consideration）It is the premier consideration to protect the environment./ Environmental protection calls for our premier consideration.直到回到家我才发现我把钥匙留在办公室了（only+状语倒装）Only when I got home did I realize that I left my keys in my office.听取老师的意见，我在英语学习上取得了快速进步（V+ing 作状语）Adopting my teacher's advice, I achieved great progress in my study.