Know your stuff

usgb
phrase

To be very good at something, to be an expert in a certain area.

If you want your taxes done properly, go to her. She really knows her stuff.
Visual representation of "know your stuff" - To be very good at something, to be an expert in a certain area

Usage tips

Colloquial

Definition 1 of 1
Visual representation of "know your stuff"
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Professional Expertise

Use 'know your stuff' to show high-level knowledge or skill in a job or hobby.

Illustration for Professional Expertise
He's the go-to guy for software issues; he knows his stuff.
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Colloquial Use

'Know your stuff' is conversational and might not suit formal writing or speeches.

Illustration for Colloquial Use
In a casual chat about cooking, you might say 'She really knows her stuff.'
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Positive Praise

Saying someone 'knows their stuff' is a way to praise or recommend them.

Illustration for Positive Praise
Ask Tom about your car's engine, he knows his stuff.
Visual representation of the word "Know your stuff"

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