to suddenly start laughing
in Lachen ausbrechen (in lachen ausbrechen)
"They broke into laughter when the teacher made a joke."
"Sie brachen in Lachen aus, als der Lehrer einen Witz machte." (Sie brachen in lachen aus, als der Lehrer einen Witz machte.)
to become unable to move because of traffic or crowding
to keep smiling even during difficult times
to become full or crowded with something
to ignore things that disturb your focus or peace
to involve or include other organizations or stakeholders
to reach or satisfy a particular standard or expectation