But let alone the crime and shame it is to thieve.可耻的偷窃等犯罪行为就更不用提了.

根据你提供的翻译,我想这句原句应该是 But let alone the crime and shame it is to steal.
这句可以分为两部分：
1.let alone the crime and shame
2.Crime and shame in doing what?-> in stealing.