first/fɜːst/
adj., n., pron.1. 第一If you send your letter first class your parents will receive it tomorrow afternoon.要是你按第一类邮件寄,你的父母明天下午就能收到了。
Alice was the first to arrive.艾利斯第一个到。
First of all tell us your name.首先把你的名字告诉我们。
First of all, he wrote out a long list of all the foods which were forbidden.开头第一件事,他列出了一张所有禁吃的食物单。
2. (考试)优等I like to travel in comfort, so I always go first class on the ship.我喜欢舒服地旅行,所以我总是乘轮船的头等舱。
He got a first.他得了个优。
This new building material is first-rate!这种新建筑材料是第一流的!