1. What kind of credit card do you hold?
您想要哪种信用卡？
还能这样说：
Which credit card do you want to get?
Which kind of credit card do you apply for?
谚语：
Hold with the hare and run with the hounds.
两面讨好。
2. 5000 Yuan put into the credit cards is at call.
划入信用卡的5000元可以随时支取。
还能这样说：
The credit limit in your credit card is 5000 Yuan now.
You can't advance a sum of 5000 Yuan against credit card.
谚语：
Joy put heart into a man.
人逢喜吉精神爽。
3. The application for a credit card is very easy.
申请信用卡的手续很简单。
还能这样说：
It's easy to apply a credit card.
It's convenient to get a credit card.
应用解析：
easy all 停划，停桨；
easy as winking 容易极了；
Easy does it. 别着急，慢慢来
4. How can I increase my credit limit in my credit card?
我怎样才能增加我信用卡的信用额度？
还能这样说：
How could I improve my credit rating at present?
What should I do to increase my credit limit?
应用解析：
go beyond the limit 超过限度；
go the limit 达到极限；
to the limit 到极点；
within limits 适度地，有限地