selfstudy at night.
如果是学校统一上的晚自习,就是:evening class
如果是你晚上自学,那就要说清楚,例如: i have study tonight.
learning independent at night
or having night cources whithout teacher
study English by oneself in scheduled time in evening.
Self-taught at evening晚自习
(to take )night courses.
