资料来源 : pyDict

强硬地,有粘性地,固执地

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

Toughly \Tough"ly\, adv.
   In a tough manner.

资料来源 : WordNet®

toughly
     adv : in a ruggedly tough manner; "toughly vigorous story-telling"