to slide on one's knees

moving forward or backward by sliding on one's knees

to pick up / (of a microphone) to pick up (a sound) / to hail (a taxi)

to drop something / to remove/take off / (impolite) to make a woman one's girlfriend / (Internet slang) to download / (informal) to fail an examination

落とす: to drop something

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

a raised platform roughly 30cm tall used in dirt-floored rooms as a seat / a raised area on which to sleep: a bed / a sickbed / the floor / a box seat, such as at a parade, theater, or stadium

the floor (the bottom surface of a room) / a bed / (theater) a raised area of a stage where a presenter or musician sits