重點講解：
1. be possible to do sth.
做得到的；能實現的；
eg. If it is possible to find out where your brother is, we shall.
如果能找出你兄弟在哪兒，我們就會去找。
eg. Gallant says it should be possible to reproduce dream images using this method.
加朗特說，運用這種方法應該能夠重現夢中的圖像。
2. a glimpse of/glimpses of
一瞥；掃視；
eg. When I saw how worried he was, I had a glimpse of his true feelings.
當我看到他是那么焦急的時候，我窺見到他真實的情感。
eg. We have only vague and tantalizing glimpses of his power.
我們只能隱隱約約地領略他的威力，的確有一種可望不可及的感覺。
3. be cooped up
被禁錮的；被困住的；被拘禁的；
eg. He is cooped up in a cramped cell with 10 other inmates.
他和其他10名犯人被囚禁在一間狹窄的牢房里。
eg. It isn't good for her to be cooped up all the time.
總是足不出戶對她沒有好處。
4. a clue to
線索；提示；
eg. He found a clue to solve the mysterious affair.
他發現解開那宗神秘事件的線索。
eg. The british heart foundation said the findings could offer a clue to ways of preventing heart disease.
英國心臟基金會稱這個研究成果為預防心臟病提供了一個途徑。