She got 200 lines for swearing at her teacher. 她因辱骂老师被罚抄写200遍。
We had to stay behind after school and write lines.
We were given lines for minor misdeeds.
You can't leave this room until you have finished your lines.
If you answer back once, you get 50 lines and if you do it again, you get 100.
See also: line noun (WORDS)