13. Don't make an ill use of your credit card.
不要濫用你的信用卡。
還能這樣說：
Don't use your credit card willy-nilly.
Remeber not to abuse your credit card.
應用解析：
use one's loaf 動動腦筋；
use sth. up 用盡；
have no use for sb. 無法容忍；
put sth. to good use 從某事物中獲益
14. It's quite convenient to use credit cards when shopping.
消費時用信用卡很方便。
還能這樣說：
Credit cards are convenient in shopping.
It can bring you much convenience when you go shopping.
諺語：
It is right to put everything in its proper use.
凡事都應該用得其所。
15. I have lost my credit card.
我的信用卡丟了。
還能這樣說：
My credit card is missing.
I couldn't find my credit card.
16. You should pay off the overdraft on time.
你應該按時償還透支費。
還能這樣說：
You had better repay te bank overdraft on schedule.
The bank overdraft must be paid on time.
諺語：
A hero is known in the time of misfortune.
時勢造英雄。
17. You can apply for a loss register.
你可以申請掛失。
還能這樣說：
You can make a loss register.
You may apply for a loss report.
應用解析：
make a loss 虧損；
sell at a loss 虧本出售；
suffer losses 遭受損失；
throw sb. for a loss 使某人陷入絕境；使人沮喪