1.
A lobbing service! Point! The right substitution at the right time．
发了一个高球!得分!换人换得正是时候。
2.
Substitution, No. 5 for No.7.
换人，七号下，五号上。
3.
Substitution: Player No. 4 for No. 3.
换人：三号下，四号上。
4.
Substitution, No.3 for No.4.
换人：四号下，三号上。
5.
The South Korean coach requests substitution.
韩国队教练要求换人。
6.
Having to keep replacing servants is a nuisance!
常换用人，也麻烦！
7.
Turn the tables upon sb.
（与某人）互换座次
8.
Today's exchange rate is 866.83 yuan rmb to 100 us dollar
今日兑换率是866.83元人民币兑换100美元。
9.
convertible term assurance
可调换定期人寿保险
10.
You'll be relieved at noon.
中午会有人来换你的班。
11.
I'm to be relieved at six.
六点钟有人来换我的班.
12.
It is time for the ringers to change off.
是敲钟人换班的时候了。
13.
In other words, they are sick.
换句话说，这些人有病了，
14.
By alternating the groups,
让这两批人相互轮换。
15.
re-registration of juvenile for adult identity card
儿童换领成人身分证
16.
groups of men working in relays
几组人轮换接替着工作
17.
They exchanged hostages with each other.
他们相互交换了人质.
18.
He goes with a different woman every week.
他一星期换一个女人.