重點講解：
1. first of all
首先，第一；
eg. First of all, you should know what profession suits you.
首先，你該知道什么職業適合你&f#[k-sZ01+7V。
eg. First of all, to try to keep calm at the interview.
首先，面試時要保持鎮靜lBUP.04bGe49Lc。
2. at the same time
同時；
eg. These troubles came along all at the same time that I was at a loss.
這些麻煩突然一起發生，使我不知所措HClXmb;gDWqDQw。
eg. They learn and work at the same time.
他們一邊工作一邊學習5SQYnQ(q!uF%。
3. look up
（在參考書、列表等中）查檢（事實或信息）；
eg. I looked your address up in the personnel file.
我在人事檔案里找到了你的地址7;[OzcsWnp_!3il。
eg. Many people have to look up the meaning of this word in the dictionary.
這個詞的意思很多人都要查字典才知道PAXo8CLXq_EVypdFm。