heart-to-heart [ˈhɑrttəˈhɑrt]

例句:

• Fast food causes obesity which leads to heart diseases.
  来自SA
• Before the wedding, I had a heart-to-heart talk with my mother.
  婚礼前，我和母亲好好谈了谈心。
  
• I've had a heart-to-heart with him.
  我和他进行了一次推心置腹的谈话。
  
• to have a heart-to-heart with sb
  和某人谈心
  
• This makes it easier for your heart to pump.
  来自WSJ
• It would also have given heart to the guilty.
  来自THETIMES