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English definition of “tweak”

tweak

verb [T]  /twik/ us  

tweak verb [T] (ADJUST)

to change slightly, esp. in order to make something more effective or correct: Writers and producers kept tweaking the script even as the movie was being shot.

tweak verb [T] (PULL)

to pull and twist something: He jumped when she tweaked his ear.
(Definition of tweak from the Cambridge Academic Content Dictionary © Cambridge University Press)
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