(phonetics) sonority

to be heard / sound, be taken as (give someone a certain impression from hearing) / to be widely known; to be famous / to be audible

the entire night, the period of time throughout the night

nighttime, the night, the period of time during the night

late at night, the middle of the night / midnight

imperfective and stem (or continuative) forms of おぼえる (oboeru) [ichidan]

recalling; remembering / notes

howling of an animal

(of an animal) to howl

覚える: to recall; to memorize