in an uncontrolled way, as if you do not care what the result will be 尽情地；放纵地 The kids were splashing on paint with abandon. 孩子们任意地泼洒着颜料。
with gay/reckless abandon : This year holiday shoppers are spending money with reckless abandon. 今年的节日购物者在很疯狂地花钱。
Synonyms and related words
In an uncontrolled way: wildly, wild, madly...
Synonyms and related words
In a careless or casual way: anyhow, idly, in haste...