weekend warrior
noun [ C ] US informal uk/ˌwiːk.end ˈwɒr.i.ər/ us/ˌwiːk.end ˈwɔːr.i.ɚ/
周末勇士,周末武士(仅在周末外出参加活动的人,尤指室内工作者)
a person who takes part in a particular activity only at weekends
The article examines sports-related injuries in weekend warriors. 本文探讨“周末勇士”的运动损伤问题。