confidantes
n．知己，密友：一个可以信任并向其倾诉秘密的朋友。
例句
On average, participants had 2.03 confidantes.
平均来看，参与者拥有2.03个知心好友。
The real "confidantes only" address is kept protected.
要保护好“只有心腹知己 ”才能知道的 真正地址。
It does make me feel juvenile to indulge this impulse, but at least I have great confidantes who know how to keep their traps shut.
纵然自己凭冲动行事会让我觉得自己很幼稚，但至少我有个嘴很严的红颜知己。
