to feel in (one's) heart of hearts 内心最深处的感受
【例句】
I feel in my heart of hearts that I shouldn't marry that man. (I feel strongly that I shouldn't marry him.)
我心底里觉得我不该嫁给那个男人。(我强烈地觉得我不该嫁给他。)
take it to heart 上心，关心，担心
【例句】
When Nancy's boss said she wasn't a good employee, Nancy took it to heart. (She felt very bad and serious.)
当南希的老板说她不是个好员工时，南希心里很在意。(她感觉非常糟糕和严肃。)
from the bottom of (one's) heart- 从心底，非常真诚的
【例句】
You are so wonderful. I mean it from the bottom of my heart. (I really, really think you are wonderful.)
你是如此美妙。我是从心底里说的。(我真的，真的觉得你很棒。)
heartfelt- (adjective) 热情，真诚
【例句】
My grandma gave me a heartfelt welcome when I arrived. (Grandma was really happy to see me. I could see she felt good.)
我到达时，奶奶对我表示了热情的欢迎。（奶奶见到我真的很高兴。我看得出她感觉很好。）
with all (one's) heart- 专注的，全心全意
【例句】
I love you with all my heart. (I really love you very much.)
我全心全意地爱你。(我真的很爱你。)
to get to the heart of (something)- 要找出事情发生的真正原因，核心原因
【例句】
Who caused this problem We need to get to the heart of it immediately. (We need to find out what happened.)
是谁造成了这个问题，我们需要立即抓住问题的核心。(我们需要知道发生了什么。)
to feel a hole in (one's) heart 悲伤的感觉(通常是因为某人离开)
【例句】
When James died, Susan felt like she had a hole in her heart. (Susan was very sad.)
当詹姆斯去世的时候，苏珊觉得她心里有个洞。(苏珊非常伤心。)
to have a heart of gold- 非常容易相处，心肠好
【例句】
She was a wonderful and kind person. She had a heart of gold.
她是一个很棒很善良的人。她有一颗金子般的心（心肠好）。
to have a heart of stone- 铁石心肠，不关心人或事
【例句】
He didn't care about anybody. He had a heart of stone.
他谁也不关心。他有一颗铁石心肠。
heart to heart- 私人谈话，坦诚，什么都说
【例句】
I had a heart to heart talk with my daughter about dating. (Only the two of us talked. And we talked freely.)
我和女儿就约会问题进行了坦诚的谈话。(只有我们两个说话。我们什么都聊。)
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