资料来源 : pyDict

紧紧地,坚固地

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

Tightly \Tight"ly\, adv.
   In a tight manner; closely; nearly.

资料来源 : WordNet®

tightly
     adv 1: in a tight or constricted manner; "a tightly packed pub"
     2: securely fixed or fastened; "the window was tightly sealed"