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tune-up

1 ENTRIES FOUND:
tune-up /ˈtuːnˌʌp/ Brit /ˈtjuːnˌʌp/ noun
plural tune-ups
tune-up
/ˈtuːnˌʌp/ Brit /ˈtjuːnˌʌp/
noun
plural tune-ups
Learner's definition of TUNE-UP
[count] chiefly US
: a process in which small changes are made to something (such as an engine) in order to make it work better(发动机等的)调整,调谐
: an event or activity that helps you practice or prepare for a more important event or activity热身;准备

tune-up

noun

ˈtün-ˌəp How to pronounce tune-up (audio)
ˈtyün-
1
: a general adjustment to ensure operation at peak efficiency
an engine tune-up
2
: a preliminary trial : warm-up

Word History

First Known Use

1933, in the meaning defined at sense 1

Time Traveler
The first known use of tune-up was in 1933

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