・ 音 ジュク
漢越音: thục
孰 (thục) for sound over earth 土: a schoolroom by the gate, as in Vietnamese tư thục (private school).
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
塾生は毎晩遅くまで勉強する。 (じゅくせいはまいばんおそくまでべんきょうする)
Cram school students study until late every night.