[] () 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