1. 基础认识：to cause inconvience or discomfort to (He was troubled by his health.)

                  Trouble n. 麻烦，v. 让某人感到痛苦或焦虑—口语或写作

2.进一步体会：在口语中，表达麻烦别人做某事，可以客气的说-I’m sorry to trouble you.

                    在写作中，同“担心”worry, concern, trouble

                    很多学生有无法集中注意力的问题。

                    Many students today are constantly troubled by their inability to concentrate.

                    信息过载给很多人带来压力，结果是很多人会买一些他们并不需要的线上微课。

                    People are increasingly troubled by overload of information so much so that they end up buying many online mini-courses that they do not actually need.

                    很多国际一线城市交通堵塞严重。

                    Many international cities, say Los Angeles, Beijing, and New Delhi, are troubled by traffic congestion.

3.作业范例：  最困扰很多二线城市是人才短缺。

                    What troubles many second-tier cities the most is a shortage of talent.

场景1：目前最困扰我的是如何高效清晰的传达信息。

场景2：信息过载给很多人带来了不好的学习习惯，结果只是收集信息而非阅读学习。

场景3：很多长期吃垃圾食品的孩子在日后会有潜在的肥胖风险。

1. What troubles me the most now is how to spread my idea clearly and briefly.

2. People are growingly troubled by overload of information so that they end up collect references than taking them seriously.

3. If children who keep eating junk food for long time, they could be troubled by potential obesity in their future life.