词典释义：
释义
from memory
凭记忆。
短语搭配
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背诵；心记；记在心里
双语例句
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"It's awfully puzzling," said Tootles, who knew the story by heart.
“这太令人费解了。”图图说，他已经把这个故事熟记于心了。
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Mack knew this passage by heart.
麦克会背这一段。
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She's learnt the whole speech off by heart.
她把整篇讲话都背熟了。
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I've dialled the number so many times I know it by heart.
这个号码我拨了很多次，都记住了。
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The actor knows his lines by heart.
那位演员能够背诵自己的台词。
百科
专辑简介：为纪念出道30周年，陈慧娴推出Hi-Fi靓声大碟《By Heart》，亲自挑选宝丽金年代歌手的歌曲重新演绎。以往宝丽金时期自己最喜欢而又没有机会唱的歌，现在以全新面貌出现在新专辑《By Heart》中，令大家对耳熟能详的好歌别有体会。
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You know Whiplash by heart? Yes sir, every measure.
你背过Whiplash的谱子了？背过了，每个拍子都记得。
《Whiplash》《爆裂鼓手》
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You can't? I can't go on stage, I don't know the charts by heart.
你不行？我上不了台，我谱子没背过。
《Whiplash》《爆裂鼓手》
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Six thousand seven hundred thirty four pages. I can recite them all to you by heart, if you wish.
6734页，我可以当场背给你听。
《Lucy》《超体》