Definition of tune up in English:
tune up
Translate tune up into Spanish
phrasal verb
1also tune something up, tune up somethingAdjust a musical instrument to the correct or uniform pitch.
‘we hear a string quartet tuning up’- ‘the band tunes up its instruments’
adjust, adjust to the correct pitch, tune up2tune something up, tune up somethingAdjust an engine or mechanism so that it performs at maximum efficiency.
‘cars can be tuned up for greater power and economy’- ‘state officials have been tuning up an emergency plan’
Are You Learning English? Here Are Our Top English Tips