晚自习的英文是什么?

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.