n.

1. 外人；門外漢；局外人
   To an outsider this looks like an idyllic life.

   在局外人看來這好像是一種田園式的生活。

2. （比賽中）不大可能獲勝的選手（或賽馬）

n.

1. a person who does not belong to a particular group.
   ▸a person not accepted by or isolating themselves from society.
2. a competitor thought to have little chance of success.