play, amuse oneself, enjoy oneself / spend one's time idle, do nothing / for an item not to be in use, be spare or idle

child

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

beds

sickbed

floor; flooring

plural of 子供: children

child's naive mind, child's juvenile mind

奈良原: a surname