tune up

Verb tune up has 2 senses

• tune up(v = verb.change) tune - adjust for (better) functioning; "tune the engine"
is one way to adjust, correct, set
Derived form noun tune-up₂
Sample sentence:
Somebody ----s something

• tune up(v = verb.change) tune - adjust the pitches of (musical instruments); "My piano needs to be tuned"
is one way to adjust, correct, set
Sample sentence:
Somebody ----s something