take (one's) word for it
To accept what one says without further verifying or investigating. You're right to be wary, but, in this case, I think we can take John's word for it. He has no reason to lie to us.
Take my word for it.
Believe me.; Trust me, I am telling you the truth. Bill: Take my word for it. These are the best power tools you can buy. Bob: But I don't need any power tools. Rachel: No one can cook better than Fred. Take my word for it. Bill: Really? Fred: Oh, yes. It's true.
take someone's word for something
and take someone's word on somethingto believe what someone says about something without seeking further information or proof. It's true! Take my word for it. I can't prove it. You will have to take my word on it.
take my word for it
COMMON If you say to someone take my word for it, you mean that they should believe you because you know that what you are saying is correct. You'll have nothing but trouble if you buy that house, take my word for it.
take somebody’s ˈword for it
believe something that somebody has said: You know more about cars than I do, so if you think it needs a new gearbox, I’ll take your word for it.Can I take your word for it that the text has all been checked? take (someone's) word for it
To believe what someone says without investigating further.