疑心

In a sentence

• 他们对新来的邻居抱有疑心。

  They are suspicious of their new neighbor.

  In this sentence, '疑心' expresses a feeling of doubt or suspicion toward someone.

• 他因长久的隐瞒而疑心自己的朋友。

  He doubts his friend due to prolonged concealment.

  Here, '疑心' is used to describe the act of doubting someone's intentions or truthfulness.

• 孩子们没有复杂的疑心，他们总是很坦率。

  Children don't have complicated suspicions; they are always very candid.

  '疑心' illustrates the concept of suspicion as a characteristic or state, contrasting it with the natural candidness of children.