夜中

N2 空中 kuuchuu sky, air N2 深夜 shinya late at night N2 中間 chuukan middle, midway, interim N2 中世 chuusei Middle Ages, medieval times N2 中性 chuusei neuter gender, neutral N2 中途 chuuto in the middle, half-way N2 中年 chuunen middle-aged N2 中指 nakayubi middle finger N2 話中 hanashichuu while talking, the line is busy

N4 夜 ya / yo, yoru night, evening, nuit N5 中 chuu / naka, uchi, ata.ru in, inside, middle