to get a big surprise; to be astonished

lo and behold

to be astonished, surprised, amazed, startled

a visit

visit; to call (at someone's house)

all of a sudden, all at once

sudden

suddenly

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend