to visit someone after a long time
jemanden nach langer Zeit besuchen (jemanden nach langer Zeit besuchen)
"When you are in town, look me up."
"Wenn du in der Stadt bist, schau mich mal an." (Wenn du in der Stadt bist, schau mich mal an)
to suddenly express anger or frustration
to discuss an issue in a relaxed way without anger
to share knowledge or information so more people understand...
to find something good in a bad situation
to express approval and respect
to prepare or adjust an instrument for better performance