to suddenly start laughing
plötzlich anfangen zu lachen (plötzlich anfangen zu lachen)
"Everyone broke away into laughter after his funny comment."
"Alle brachen in Gelächter aus nach seinem lustigen Kommentar." (Alle **brachen in Gelächter aus** nach seinem lustigen Kommentar.)
to combine money, labor, or materials for a joint project
to pursue what you love doing as a career or goal
to compare one factor with another to maintain equilibrium
to submit something like an assignment or report
to not allow someone to go out; to hold inside
to surprise someone unexpectedly