tune (sth) up Meaning in the Cambridge English Dictionary
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Meaning of “tune (sth) up” in the English Dictionary

"tune (sth) up" in British English

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tune (sth) up

phrasal verb with tune uk   /tjuːn/  us   /tuːn/ verb [T]

tune (sth) up (INSTRUMENT)

If ​musicians who are ​preparing to ​playtune up ​theirinstruments, they make ​smallchanges to them so that they ​produce the ​correctnotes: After the ​orchestra had ​tuned up, the ​conductorwalked on to the ​stage. He ​began to ​tune up his ​violin.

tune (sth) up (ENGINE)

to ​tune an ​engine
(Definition of tune (sth) up from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"tune sth up" in Business English

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tune sth up

phrasal verb with tune uk   us   /tjuːn/ verb [T]
to make ​smallimprovements to something so that it is as good as possible: We'll ​advise you on how to ​tune up your ​portfolio for the end of the ​financialyear. This ​course will ​help you ​tune up your ​computerskills. Morale was high as the ​salesteamtuned up for the ​bigcampaign here in America.
(Definition of tune sth up from the Cambridge Business English Dictionary © Cambridge University Press)
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