single-hearted ['sɪŋgəl'hɑ:tɪd]

例句:

• These days work plays an important part in a single woman's life.
  现在，工作在单身女性的生活中起着重要作用。
  来自柯林斯例句
• So they have a reputation as very cold-hearted mothers.
  来自BBC
• The fused bones act as a single bony structure.
  来自BBC
• He's saved every single sheep we have saved.
  来自BBC
• He knew the simple single - hearted fidelity of his child, and understood why she had come.
  他十分了解他这个单纯朴实的孩子的孝心, 了解她是为什么来的.
  
• Xiaoming was reading a book with single - hearted devotion.
  小明正在专心致志地看书呢.