重點講解：
1. keep up 繼續做（或提供）；
例句：I was so hungry all the time that I could not keep the diet up for longer than a month.
我無時無刻都覺得餓，節食堅持不到一個月就放棄了u1[%P@+qaB。
2. used to do sth. 過去常常；過去曾；
例句：Pirates used to maroon people on desert islands.
海盜過去慣常把人們遺棄在荒島Ew]PXxx%K~u.+。
3. wake up 醒；醒來；喚醒；弄醒；
例句：Stop shouting or you'll wake up the neighbors.
不要喊了，否則你會把鄰居吵醒的q;;^#3g#_1zV-Z^。
4. in comparison to 與…相比；與…比較而言；
例句：My worries suddenly seemed to pale in comparison to the problems of Jackson.
但和杰克遜的麻煩一比，我的憂慮簡直算不得什么7q@,=Fvtp=aU=5。
5. due to 由于；因為；
例句：Sales are down a bit due to the revaluation.
由于貨幣升值銷售額稍有下降l2d8%foO9p4#。
6. in trouble 處于困境；惹麻煩；將受懲罰；
例句：Nobody will believe he is in trouble because he has cried wolf so many times.
因為他多次謊發警報，現在誰也不會相信他遭難了#PP[=x(]_jli。