资料来源 : pyDict

坚忍不拔地

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

Persevering \Per`se*ver"ing\, a.
   Characterized by perseverance; persistent. --
   {Per`se*ver"ing*ly}, adv.

资料来源 : WordNet®

perseveringly
     adv : with perseverance