gatekeeper
/ˈgeɪtˌkiːpə(r)/noun
1
- an attendant at a gate who is employed to control who goes through it看门人, 管门人。
1.1
- figurative a person or thing that controls access to something〈喻〉控制进入的人（或物）：
GPs can act as gatekeepers, filtering demands made on hospital services.
全科医生可以作为把关的人, 以减轻医院就诊病人过多的负担。
2
- an orange and brown European butterfly with small eyespots on the wings, frequenting hedgerows and woods棕眼蝶。亦称 HEDGE BROWN.
2.1
- Pyronia tithonus, subfamily Satyrinae, family Nymphalidae.拉丁名Pyronia tithonus,眼蝶亚科, 蛱蝶科。