US /teɪk ˈsʌmˌwʌnz wɝd fər ɪt/
・UK /teɪk ˈsʌmwʌnz wɜ:d fə ɪt/
If you take someone's word for it, you write down what they say, believe what they say, need to check if that's true.
If you take someone's word for it, you write down what they say, believe what they say.
If you say that you'll take someone's word for it, that means you believe them and that they don't need to prove themselves.
If you say that you'll take someone's word for it, that means you believe them and that they don't need to prove themselves.