The idiom "to my knowledge" is believed to have originated in the 16th century and is used to indicate that the speaker is stating something based on their knowledge or understanding. This expression is used to suggest that the speaker is being honest and upfront about their level of certainty regarding the information they are providing.

What is the origin of the idiom "to my knowledge" and when to use it?

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to (the best of|) my knowledge

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“to (the best of) my knowledge”的英语定义和含义

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