to not make as much progress as others in something
nicht so viel Fortschritt machen wie andere in etwas (nicht zo feel fort-schrit ma-chen wie an-dere in et-was)
"If you skip classes, you might fall behind in your studies."
"Wenn du den Unterricht schwänzt, könntest du in deinen Studien zurückfallen." (Ven du den Un-ter-richt sch-wänzst, könn-test du in dei-nen Stu-di-en **zu-rück-fal-len**.)
to start suddenly (for war, fire, disease, etc.)
to stop the flow of something; to switch off
to try to find out someone's opinion before making a suggest...
to distribute cards to players in a card game
to think carefully about something for a long time
to change behavior or plans because circumstances require it