The questioner wants to ask, "Why can't I pay with a foreign visa card bound to WeChat?" The account balance is insufficient, the payment password is wrong, WeChat payment is not supported, etc.

1. Insufficient account balance: Make sure there is enough balance on the Visa card to complete the payment. The balance in the card is insufficient to cover the transaction amount, and the payment will not be successful.

2. Wrong payment password: The payment password entered is incorrect. Please confirm that the correct payment password has been entered.

3. WeChat payment is not supported: Foreign Visa cards are not supported by WeChat as a payment method.