confidant [ˈkɑ:nfɪdænt]

例句:

• He was their adviser, confidant and father confessor.
  他是他们的顾问、密友和倾听者。
  
• He is a close confidant of the president.
  他是总统的密友。
  
• Major Pendennis became the Begum's confidant and house friend.
  潘登尼斯少校成了贝衮的心腹和家中的亲密朋友.
  
• He...was the safest confidant to be found within the four seas.
  来自E. L. Linton
• He was also described as a confidant of Zetas boss Heriberto Lazcano Lazcano.
  来自CNN
• Their son James says, I don't know of any confidant other than my mother.
  来自NEWYORKER