guardian
n
1 one who guards or protects sth 保护者; 保卫者; 维护者
The police are guardians of law and order. 警察是维护法纪的人.
a self-appointed guardian of public morality 自封的卫道士.
2 (law 律) person who is legally responsible for sb who cannot manage his own affairs, eg an orphaned child 保护人; 监护人.
They had to work inside the ship, cutting away old metal, fixing new metal plates, drilling holes, laying electrical and phone wires and fixing new pipes for water and steam.
他们要在船舱里工作,切掉旧的金属,焊接新的金属板,钻孔,埋电线和电话线以及安装新的水管和蒸汽管。
My parents were visiting relatives, and my grandparents had decided to spend the day at home.