重點講解：
1. how are you doing
你好嗎；你怎么樣；過得怎么樣；
eg. How are you doing these days?
這些日子你怎么樣？
eg. How are you doing? I can't complain too much.
你好嗎？我不能太抱怨Cl*tsc%fCDrj!t.。（還不錯）QBmFMzzC&)j5niK~D。
2. introduce oneself
自我介紹；
eg. Let me introduce myself.
我來自我介紹一下a&K-33ytmfWl[t。
eg. he English teacher is asking her students to introduce themselves.
英語老師正在叫她的學生們作自我介紹d(qMo@zd2DBj5hXCr。
3. a little while
不久，一會兒；
eg. She tried for a little while to live without him but couldn't.
她曾一時試圖脫離他獨自生活，但發現那是過不下去的4mL7V=s[RO!1r=)R。
eg. He won't be back for a little while yet.
他一時半刻還回不來dz;rBA#UF2x,t;2。