资料来源 : pyDict

难解地;深奥地

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Abstrusely \Ab*struse"ly\, adv.
   In an abstruse manner.

资料来源 : WordNet®

abstrusely
     adv : in a manner difficult to understand; "the professor's
           abstrusely reasoned theories were wasted on his
           students"