although this was not allowed according to the rules of his office

问题描述:

although this was not allowed according to the rules of his office
怎么解释这句话 从哪下手 谁能全面解释一下 特别是according 不懂

according to 根据```
整句话的意思:尽管根据他办公室的规矩,这是不允许的