重点讲解：
1. communicate with 沟通；联系；交流；
例句：I can't communicate with them; the radio doesn't work.
我无法和他们联系，无线电坏了。
2. protect sb. from sth./doing sth. 保护；防护；
例句：He raised his arm to protect his child from hurt.
他伸出手去，保护他的孩子免受伤害。
3. advise sb. to do sth. 劝告；忠告；给…出主意；
例句：The minister advised him to leave as soon as possible.
部长建议他尽快离开。
4. give out 公开，宣布（消息等）；
例句：He wouldn't give out any information.
他不愿透露任何消息。
5. be careful about 当心的；小心的；慎重的；
例句：It is important, I think, for everyone to be careful about claiming victory.
我想，每个人宣布胜利时都应该慎重。
