资料来源 : pyDict

少年地;幼稚地

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

Boyishly \Boy"ish*ly\, adv.
   In a boyish manner; like a boy.

资料来源 : WordNet®

boyishly
     adv : like a boy; "he smiled boyishly at his fiancee" [syn: {boylike}]