重點講解：
1. once upon a time
（常用于兒童故事的開頭）從前，很久以前；
eg. Once upon a time in a faraway land there lived a princess in a big castle.
從前，在很遠的地方，有一位美麗的公主住在一座很大的城堡里。
eg. Once upon a time, there were two merchants, who were friends.
從前，有兩個大商人，他們是朋友。
2. be ready to do sth.
即將…的；可能…的；
eg. He seemed almost ready to cry himself.
他自己好像也要哭了。
eg. The potatoes are ready to be dug up.
快要收獲土豆了。
3. take care of
照顧；照看；看護；
eg. Take care of yourself physically, mentally and emotionally.
在身體、精神和情緒上照顧好自己。
eg. I take care of them to the best of my abilities.
我盡我所能地照顧他們。
4. be able to do sth.
（因具有品質或技能）能做到…的；
eg. My son is able to dress himself.
我兒子都會自己穿衣服了。
eg. But I was able to control myself.
但我還能控制自己的脾氣。