c. 1300 (late 13c. as a surname), "one who has charge of some person or thing, warden," agent noun from keep (v.). Sense of "one who carries on some business" is from mid-15c. Sporting sense (originally cricket) is from 1744. Meaning "something (or someone) worth keeping" is attested by 1999. Brother's keeper is from Genesis iv:9.
权威例句
1. I drove out of the gates, past the keeper's lodge.
我驶出大门,经过守门人的小屋。
2. "I don't know where he is," Hughes replied. "I'm not his keeper."
“我不知道他在哪儿,”休斯回答说。“我又不是他的保姆。”
3. Russia's record as a peace-keeper is mixed.
俄罗斯作为维和国家的记录有好有坏。
4. He is also acknowledged as an excellent goal-keeper.