to doubt / to have doubts / to be doubtful / to distrust, to mistrust / to call (a matter) into question

wiretapping, bugging / eavesdropping

to wiretap, to bug a room, to spy on communications / to eavesdrop

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

Short for 警察署 (keisatsusho, “police station”). / police

(idiomatic) to doubt what one just heard; hearing something surprising

bug (an electronic listening device)

everything