自じ主しゅ練れん

noun

voluntary practice; self-directed training

Abbreviation of 自主練習. Common in sports, music, and club activities for extra practice done on one's own initiative, outside of regular sessions.

See also: 自主練習

• 毎まい朝あさ、自じ主しゅ練れんで素す振ぶりをしている。