重點講解：
1. a while
一段時間；一會兒；
eg. It took her a while to get acclimatized to her new surroundings.
她花了一段時間才適應了新的環境。
eg. He moped around the office for a while, feeling bored.
他在辦公室閑蕩了一會兒，感到百無聊賴。
2. be able to do sth.
能做到…的；
eg. Individualists say that you should be able to wear what you want.
特立獨行者認為人應該想穿什么就穿什么。
eg. I hope that everyone will be able to join in the fun.
我希望每個人都能夠加入進來，玩得開心。
3. ins and outs
復雜詳情；底細；
eg. I know all the ins and outs of our school building.
我知道我們教學大樓的一切情況。
eg. Dietary experts can advise on the ins and outs of dieting.
飲食專家可以對日常飲食的方方面面提出建議。
4. be in love
戀愛；相愛；
eg. Then I met someone and wham, bam, I was completely in love.
然后我遇上了一個人，嘭的一下，我就墜入了愛河。
eg. We were madly in love for about two years.
我們瘋狂地熱戀了大概兩年。