-heartedness       
suffix uk/ -hɑː.tɪd.nəs/ us/ -hɑːr.t̬ɪd.nəs/
 某种特点 | 某种心态
behaviour that shows someone has a character or feelings of the stated type
  They told us of the wonderful warm-heartedness of Iran's people. 他们向我们讲述了伊朗的人情味之温暖美好。 
 Evidence of Magda's cold-heartedness is apparent everywhere. 无时无地都可感受到玛格达的冷酷无情。 
 See: -hearted
 - More examples
 - His warm-heartedness frequently wins people over to his side.
 - He brings a nice edge to a character who could become boring in his good-heartedness.
 - Sincerity and decent-heartedness has always been at the core of his projects.