For the 1841 census it was decided to round down ages over fifteen to the nearest five.
1841年的人口普查决定把15岁以上的年龄下舍取五的倍数。
Examples from the Corpus
round down• She could not turn round or lie down.• To each other on the roof, they were shadows moving round, bending down.• You bury one hemisphere in one bed of sandround end down, flat side flush with the top of the mold.• Then I'd just go round and round looking down on things - you know, like from a plane.• Without hesitation, the sergeantswunground and hurried down the stairs as lightly as his own considerablebulk would allow.• If the round could knock down the target, it could knock down a man.• They were little sailingboats, and they went all round, down to Ireland and Cornwall at different times.• It went round and round, down under the white water, and up again ... under the water, and up.