重点讲解：
1. do sb. a favor 恩惠；帮忙；
Could you do me a favor and pick up Sam from school today?
今天你能帮我个忙去学校接萨姆吗？
2. look into 考察；调查；研究；
The government has instituted a court of inquiry to look into the allegations.
政府已成立了调查法庭来调查这些指控Kb*Jl2Fd.8Qgm。
3. meddle in 管闲事；干涉；干预；
He had no right to meddle in her affairs.
他无权干涉她的事情t4g*!l^,JGX。
4. be up against 遭遇，面临（困难或问题）；
The chairwoman is up against the greatest challenge to her position.
女主席正面临职位上的最大挑战-cqs5Ycw7J_5^15mP|。