週しゅう五いつ日かMeanings1expressionfive days a weekUsed to describe a schedule or frequency of five days per week, often in work or school contexts.この会かい社しゃは週しゅう五いつ日か勤きん務むです。This company has a five-day work week.週しゅう五いつ日か、ジムに通かよっています。I go to the gym five days a week.