/ˈgɑ:diən ||; ˈgɑrdɪən/noun[C] 1 a person or institution that guards or protects sth 守恒者；保护者: The police are the guardians of law and order. 警察是法律和秩序捍恒者。
2 a person who is legally responsible for the care of another person, especially of a child whose parents are dead （尤指父母双亡儿童的）监护人