? What do you mean, dig deeper? What are the allusions? What is English translation?

The source of the allusion: Qing Yu Wanchun's "Dangkou Zhi": "Today's thieves dig their brains and use such a secret plan to make me as safe as Mount Tai." Idiom meaning: describe scheming; Of course. Idiom phonetic notation: ㄨㄚ?ㄨㄙㄧㄣㄙㄧㄧㄧㄧㄧㄧㄧㄧㄧㄧㄧㄧㄧㄧㄧㄧ12 With a derogatory connotation. Idiom structure: Verb-object idiom pronunciation: empty, can't be pronounced as "konɡ". English translation: racking one's brains; Russian translation: ломатьсебегоо. Once you do it, it's not good. (Lu Xun's Three Ugliness in Lace Literature Examination Room)