Định Nghĩa và Ý Nghĩa của "[take] {one's} word for it"

What is the origin of the idiom "take one's word for it" and when to use it?

The idiom "take one's word for it" originated from the idea of accepting someone's statement or assurance as true without requiring further evidence or proof. It is used to imply a level of trust and confidence in the credibility and honesty of the person making the statement, acknowledging that their word alone is sufficient evidence or confirmation.