[] () having a legal duty to do sth 受（法律）约束（必须做某事）◆A parent is legally bound to feed, clothe and arrange education for his or her own children. 法律上，父母必须抚养子女，并为他们提供教育。◆The appeal court said it was not bound to follow its previous decision. 上诉法院称它不受其先前的判决所约束。➡bind strike-bound