Whom Mammy loved, she chastened.是什么意思？

Whom Mammy loved, she chastened.

嬷嬷要是宠爱谁, 就会严加管教.

whom

pron. (who的宾格)谁；

例句
It is important that an adolescent boy should have an adult in whom he can confide...
关键是，青春期的男孩身边应该有一个可以交心的成年人。

mammy

n. <非正> <英>妈妈（用于英国部分地区），<美>妈妈；

例句
" Yo'voice soun'lak you catchin'a cole,'said Mammy suspiciously.
" 俺听你这声音像是着凉了, "嬷嬷怀疑地说.

loved

v. 爱，热爱( love的过去式和过去分词 )，喜爱，喜好，喜欢；

例句
I loved stationery and all the accoutrements of writing.
我喜爱信笺信封和所有文房用具。

she

pron. 她，它；

例句
Her lover walked out on her after she had aborted their child.
她的情人在她打掉胎儿后甩了她。

chastened

v. 惩罚（某人）（使之改正或改进）( chasten的过去式 )，惩戒，遏制（某人），制止；

例句
He has clearly not been chastened by his thirteen days in detention...
显然，13天拘留并没能让他悔过自新。