confidante

n.

知己的女友；

复数：confidantes

1. Music was my only confidante for a while.
   这段时间音乐是我唯一的知己。
2. I hope this way know more friends, but also hoping to find a confidante.
   所以希望通过这种方式认识更多的朋友，更希望能找到一位红颜知己。

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Negotiating Positionality in Ethnographic Investigations of Workplace Settings: Student, Consultant or Confidante?