The visa is for 14 days, extendable to one month.
此签证有效期为14天，可延期到一个月。
Do you need a visa for the USA?
你需要美国签证吗？
What a palaver it is, trying to get a new visa!
申请新签证真烦死人了！
Please debit my Mastercard/ Visa/ American Express card.
请在我的`万事达/维萨/美国运通信用卡账户中扣除。
They refused him a visa.
他们拒绝给他签证。
The passports, with the visa stamps, were waiting at the embassy.
护照都加盖了签证章，在大使馆等待领取。
They overstayed their visa.
他们居留超过了签证期限。
They thought that their relatives would be able to fix the visas
他们以为他们的亲戚们会把签证办好。