1
- a fence completely enclosing an estate, farm, or piece of land大围栅。
1.1
- figurative an effective or comprehensive barrier, protection, or means of segregation〈喻〉（有效或全面的）障碍（或保护、隔离措施）。
(ring-fence)with obj.
1- enclose (a piece of land) with a ring fence用围栅围（一片地）。
1.1
- figurative guard securely; protect〈喻〉严密护卫; 保护：
senior civil servants are attempting to ring-fence their jobs.
高级公务员们正试图保住自己的工作。
1.2
- figurative guarantee that (funds allocated for a particular purpose) will not be spent on anything else〈喻〉保证不挪用（专项资金）：
the government failed to ring-fence the money provided to schools.
政府没能保证给学校的拨款不被挪用。