Know by heart的意思|示意

She added: "We know that people with heart disease are often anxious about their future and about how their lives, and the lives of those closest to them, will be affected by the disease.

她补充说：“我都知道，心脏病患者进场对自己的将来和如何生活感到忧虑，也会担心他们的生活圈受到心脏病的影响，”

Learn by heart the whole sentences and the phrases that contain the new words so we may know how to use the words.

请背记包含生词的句子或词组，这样我们才真正能运用这些词汇，而且印象更深。

One would expect them to know their parts by heart and never have cause to falter.

人们都期待他们把自己那部分台词记在心里，绝不允许结结巴巴地吐词。

You may even know this in your head, but your heart has now taken over and by god it feels so good!

你甚至可以知道这在你的脑海中,但你的心已经被控制了,觉得与上帝同在的这种感觉实在太棒了!

He wants to know if they are the same men who so callously broke their father's heart by selling Joseph, his father's favorite, so many years ago.

他想知道他们是否还是老样子，就像他们曾经卖了约瑟夫，伤了他们父亲的心，多年前，约瑟夫最受父亲宠爱。

I've listened to it dozens of times.I don't understand it but I know it by heart.

这个讲座我已经听过很多次了。虽然我不明白是什么意思，但是心里却记下了它的内容。