rapid, rapids (section of a river with turbulent waters)

bollocks / balderdash

control, manage, handle, operate / manipulate, trick

descend / go down / come down

boat; rowboat

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

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

Synonym of スワンボート (suwan bōto, “swan boat”)

swan boat (novelty swan-shaped boat, associated with tourism and couples/lovers)