He brought his knowledge to bear on the situation.
According to Collins English Dictionary, "bring to bear" here means "to bring into operation or effect."
I know this phrase is an idiom and understand what it means now. However, I am curious to know the meaning of "bear" leading to that meaning. Could you share your opinion? Thanks.
Top answer
Hello Square. I'd say it's a metaphor from artillery. To bring a gun to bear on something means to point the gun at something.
— Thomas Tompion
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"bear" can also be viewed upon as something (whatever; knowledge/gun) that has the means.. or more, something that's being "proposed" as a means of "mustering" a situation.. simply stated, something that can "handle" a situation or scene