ˋㄒㄧˊ

  1. 課外空閒時間自己學習的知豐富平日自習所得。」

to study outside of class time (reviewing one's lessons)​, to study in one's free time, individual study
étudier par soi-même
eigenständig Gelerntes wiederholen (V)​, selbst (schon gelernten Stoff)​ repetieren (V)​