turn up
US /tɜːrn ʌp/
UK /tɜːrn ʌp/
1.
to arrive or appear, especially unexpectedly or after being lost
:
•
He didn't turn up for the meeting.
•
Don't worry, your lost keys will eventually turn up.
2.
to increase the volume, strength, or intensity of something
:
•
Can you turn up the music? I can barely hear it.
•
Turn up the heat, it's getting cold in here.