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View definitions for know one's business

know one's business

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Example Sentences

When we had entered our inn, and were preparing us for our supper, a great crowd gathered about the door; for the news had soon leaked out, who we were and what our business was; for around inns every one doth know one's business better than that person does himself; for what they do not know they guess at.

“One may be supposed to know one’s business best,” she replied rather dryly to this.

To qualify for promotion in any work, but more especially in the professions, one must know one's business.

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From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

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