echolocation

to fly about

location; positioning

darkness, the dark, complete absence of light; a dark place / (figuratively) public chaos, disorder in the world / an unknown or hidden place / (figuratively) jail, prison

(figuratively, possibly obsolete) psychological distress, the state of being at a loss

An echo; (a reflected sound that is heard again by its initial observer). / response, repercussion

to use / to employ / to make use of, to apply / to spend

中々: very, quite, considerably, rather, by no means (with negative verb)

very, quite, considerably, rather / by no means (with negative verb)

the daytime, during the day / a half day, half of a day