1.
Substitution: Player No. 4 for No. 3.
换人：三号下，四号上。
2.
Substitution, No.3 for No.4.
换人：四号下，三号上。
3.
April 4th, she will say,
四月四号那天，她就会说，
4.
Tai Po Tau No. 4 Raw Water Pumping Statio
大埔头四号原水抽水站
5.
Alice considered a little, and then said `The fourth.'
爱丽丝想了想说，“四号。”
6.
The Mark4 gun is more powerful than the old Mark 3.
四号枪比老式的三号枪火力大。
7.
"If you really want to see him, it's room number four-"
“你当真要找他么？ 号数倒是四号——”
8.
Mary's birthday is on the 4th day of the 4th month,
玛丽的生日是在四月四号。
9.
The westbound carriageway of the M4 is closed for repair.
四号国道向西行行四道已关闭以便养护。
10.
She hurried over to the entrance to No.4 Platform.
她匆匆向第四号月台入口处走过去。
11.
My number is fourteen, fourteen.
我的号码是十四，十四。
12.
Sarah is writing a report.
四、听录音，排序号。
13.
April Fool's Day is on April 1.
愚人节在四月一号。
14.
Room number 145 is on the third floor of the hotel.
145号房间在旅馆的四楼.
15.
Room number 145 is on the third floor of the hotel.145
号房间在旅馆的四楼.
16.
Four days after the Titanic set out,
泰坦尼克号出发四天后，
17.
I want 1, 3, 4 and 5.
我要一，三，四和五号。
18.
Our spring break is from 2nd April to 16th April .
我们的春假是从四月二号到四月十六号。