重点讲解：
1. be ready to do sth. 准备好的；胜任的；
He's always ready to help his friends.
他总是乐意帮助朋友。
2. participate in 参与；参加；
She didn't participate in the discussion.
她没有参加讨论。
3. in response to 回复；回答；回应；
I am writing in response to your inquiry.
我现写信回复您的询问。
4. as long as 只要；
They'll respect you as long as you play fair.
只要为人正直，别人就会尊敬你。