1. 他對紀律是嚴格的。
   He is stern in his discipline.
2. 道德，品行，士氣一個人或集體具有的精神狀態(tài)，通過信心、愉快、紀律和樂于執(zhí)行所分配的任務來展現(xiàn)
   The state of the spirits of a person or group as exhibited by confidence, cheerfulness, discipline, and willingness to perform assigned tasks.
3. 一到周末紀律往往松弛下來。
   Discipline is often relaxed at weekends.
4. 那位老師無法維持教室紀律。
   The teacher can't keep discipline in her class.

律的英語翻譯：