You need to show up prepared for the presentation.
show up
Frequency:
70
%
Don't show up late to the meeting.
show up
Frequency:
60
%
It's always good to show up early for interviews.
show up
Frequency:
45
%
He decided to show up unexpectedly at the party.
Idiomatic Expressions for show up
Phrase: show up someone
Meaning: to outperform or outdo someone in a particular activity or situation
Usage: She always manages to show up her competitors in the annual race.