重點講解：
1. be responsible for
負有責任的；應承擔責任的；對（某事物）負責的；
eg. He still felt responsible for her death.
他仍然覺得自己對她的死負有責任。
eg. The man responsible for finding the volunteers is Dr. Charles Weber.
負責尋找志愿者的人是查爾斯·韋伯博士。
2. have sb. done
請人做；讓人做；
eg. I had your rooms cleaned and aired.
我請人打掃了你的房間并通了風。
eg. You've had your hair cut, it looks great.
你理發了，看起來很棒。
3. upside down
倒置地；顛倒過來；
The painting was hung upside down.
油畫掛倒了。
eg. Salter held the bag by the corners and shook it upside down.
索爾特捏住包的外角，把它倒過來晃了晃。