bound by law meaning in Chinese

受法律约束

2 . every time , at the end of the day , when the clergy , members of institutes of consecrated life and societies of apostolic life and the other faithful bound by law to recite the liturgy of the hours , as well as those who are accustomed to praying the divine office for pure devotion , recite vespers and compline note
2 .所有圣职人员献身生活会及使徒生活团的成员，以及其他依法有义务诵念时辰颂祷日课的信友，及纯出于热心而惯常每日诵念时辰颂祷的信友，于黄昏时分以团体或私人方式，在显供或保存于圣体内的圣体前诵念晚祷vespers及夜祷compline