重点讲解：
1. be able to do sth.
（因具有品质或技能）能做到…的；
eg. I am able to pick you up on the short wave radio.
我能用短波收音机收听到你的信号。
eg. He was able to fulfil himself through music.
他通过音乐能充分地发挥自己的才能。
2. be willing to do sth.
乐意的；愿意的；
eg. He was quite willing to provide for them.
他完全愿意为他们提供生活费。
eg. I'm willing to make a friend with you.
我很愿意跟你交朋友。
3. share with
共享；共有；合用；
eg. Good things are shared with good friends.
好东西要和好朋友分享
eg. Here I put my harvest to share with you, and I hope to help.
在此我把我的收获给大家分享一下，希望对大家有所帮助。
4. according to
据…所说；按…所载；
eg. According to English law, Hubert is innocent.
根据英国法律，哈拍特无罪。
eg. According to the weather forecast it will rain tomorrow.
天气预报说明天有雨。
