Question

求翻译为英语

四代同堂是中国一个值得骄傲的传统习俗（traditional，generation）

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）

保护环境是首要考虑的问题（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）

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）

Answer 1

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.

Answer 2

1.It is a proud traditional in China to have four generations living under one roof.
2. The teacher standing in front of the platform can know which student doesn't perform well without watching him.
3. Environmental protection should be the first consideration.

Answer 3

Four generations living under the same roof is China a proud tradition

The teacher without looking up from her desk know which students do not behave well

Protect environment is the primary consideration

Only when I got home did I realize that I left my keys in my office

Listen to the teacher's advice, I am learning English has achieved rapid progress

Answer 4

四代同堂的英语是：Four generations together