louche /luːʃ/

• 1. 

  ADJ If you describe a person or place as louche, you mean that they are unconventional and not respectable, but often in a way that people find rather attractive. 反传统的; 离经叛道的 [书面]

  例：

  ...that section of society which somehow managed to be louche and fashionable at the same time.

  ...既有点离经叛道又不失时髦新潮的社会阶层。