take someone's word for it

US /teɪk ˈsʌm.wʌnz wɜrd fɔr ɪt/
UK /teɪk ˈsʌm.wʌnz wɜrd fɔr ɪt/
"take someone's word for it" picture
1.

tomar la palabra de alguien, creer a alguien sin pruebas

to believe that what someone says is true, without checking or proving it

:
I haven't seen the report, but I'll take your word for it that it's accurate.
No he visto el informe, pero te tomaré la palabra de que es exacto.
He said he finished all his homework, and I had to take his word for it.
Dijo que había terminado toda su tarea, y tuve que tomarle la palabra.