心头

例句：

1. 1. He had a heavy heart, knowing that his son would not return home for the holidays.
   他心情沉重，知道他的儿子不会在假期回家。
2. 2. She was deeply moved by the touching story of the little girl's bravery in the face of danger.
   她被那个小女孩在危险面前的勇敢故事深深打动了。
3. 3. The teacher's words struck a chord in everyone's heart, inspiring them to work even harder.
   老师的言语触动了每个人的心弦，激励他们更加努力工作。