重点讲解：
1. dress up 装扮；打扮；
例句：You do not need to dress up for dinner.
你们不必特意盛装赴宴|pComy|r2X6(73R。
2. be happy to do sth. 乐意的；情愿的；
例句：If you have any requests, I'd be happy to play them for you.
您点播任何歌曲，我都会很乐意为您演奏,I_GY&6(8#u。
3. like to do sth. （表示习惯）愿意，希望；
例句：Some young people like to make a fetish of style.
有些年轻人喜欢盲目地赶时髦K2oJ.,V1@S~R_Iw。
4. to begin with 首先；第一；
例句：'What do scientists you've spoken with think about that?' — 'Well, to begin with, they doubt it's going to work.'
“跟你聊过的科学家是怎么看的？”——“嗯，首先，他们怀疑这能否行得通E]2]vCsJl2b。”