waylin

pair up 二人一組　
Our teacher asked us to pair up and practice the dialogue.
　　我們老師要我們二人一組，練習對話。
pair 是「一對」的意思，因此 pair up 就是「二人一組」的意思，也可說 pair off 。

situation： After a day of shopping, Mary and her friend Rose are taking a break at a coffee shop.
 
場景： 逛了一天之後，瑪莉和她的朋友蘿絲在咖啡廳休息一下。
 

in no time flat  立刻 ,立即
When the store offered free ice cream, the children were there in no time flat.
那家店供應免費的冰淇淋,小孩們立即前往那裡。
in no time flat 是「立刻：立即」的意思，