see the colour of someone's money
US /siː ðə ˈkʌlər əv ˈsʌmˌwʌnz ˈmʌni/
UK /siː ðə ˈkʌlər əv ˈsʌmˌwʌnz ˈmʌni/

1.
看到某人的錢, 確認某人有錢
to make sure that someone actually has the money they claim to have before you do business with them
:
•
I won't sign the contract until I see the colour of your money.
除非我看到你的錢,否則我不會簽合同。
•
The landlord wanted to see the colour of their money before agreeing to rent the apartment.
房東想在同意出租公寓之前看到他們的錢。