well-off

形容词 well-off:

1. in fortunate circumstances financially; moderately rich
   同义词：comfortable, easy, prosperous, well-fixed, well-heeled, well-situated, well-to-do
2. fortunately situated

well-off

adj.（形容词）
Well-to-do.
有钱的
In fortunate circumstances.
幸运的：有走运的状况下

来源：
off [circumstanced]
off[在某种环境下]
probably from the phrase to come well off [to emerge from in good circumstances]
可能源自片语 to come well off [从好的环境中出现]