Any good teacher is worth their salt.
worth one's salt
idiomAdept or competent, especially at one's occupation.
Origin
first recorded 19th c. disputed originFirst attested in 1805. Perhaps referencing the derivation of the word salary from Latin sal (“salt”), which is correct (though the related idea that soldiers were paid in salt is not). Or more generally from the fact that salt was a fairly valuable commodity in pre-modern times.
If the new mechanic is worth his salt, he will find the engine problem quickly.
Any professional worth their salt understands that thorough preparation is the foundation of a successful project.
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abound in one's own sense
To follow one’s own inclinations and opinions.
- 02
ace up one's sleeve
A surprise advantage of which others are not aware.
- 03
act one's age
To behave in a manner appropriate to one's age.
- 04
act one's age, not one's shoe size
Synonym of act one's age (“to behave in a mature manner; to avoid being childish”).
- 05
afraid of one's own shadow
Exceptionally timid.
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air one's dirty laundry in public
To reveal one's sordid secrets to the public.
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air one's dirty linen in public
Synonym of air one's dirty laundry in public.
- 08
albatross around one's neck
A characteristic, possession, associate, or previous deed that hinders one's ability to succeed.
Last updated July 12, 2026