speak of the devil and he shall appear
Alternative form of speak of the devil.
ADV
suddenly
The teacher suddenly appeared at the classroom door and everyone quickly sat down.
from nowhere
A taxi suddenly appeared from nowhere just when we needed one most.
ADV
currently
PREP
at
The famous actor will appear at the theater next month for a special performance.
PHRASES
appear on television
The local news anchor will appear on television next week to discuss the new community center.
PREP
at
The famous singer appeared at the music festival last summer and performed for three hours.
PHRASES
appear before a court/judge/magistrate
She appeared before the judge to answer questions about the accident.
appear in court
The defendant will appear in court next Monday to face the charges against her.