She attempted diligently to learn the times tables by heart.

她勤奋地尝试用心记住乘法表。

金山词霸

You must keep repeating the lines until they are known by heart.

你必须反复朗读这几行一直到能背诵为止.

《简明英汉词典》

The boy learned the poem by heart.

这男孩背下了这首诗.

《简明英汉词典》

She got a passage off by heart.

她背熟了一段文章.

《简明英汉词典》

He learned all the texts by heart.

所有的课文他都背得烂熟.

《现代汉英综合大词典》

He could review the letter's content blindfold, since he already knew it by heart.

他可以蒙着眼睛复述信的内容，因为他已经牢记于心了。

金山词霸

This is a proverb and you ought to stick it down and learn it by heart.

这是条谚语,你得把它抄下来记熟.

《简明英汉词典》

We enjoy children's programs on the radio, and Janey knows every tune by heart.

我们喜欢听收音机上的儿童节目，珍妮能背出每一首曲子。

金山词霸

She knew the whole drivelling song by heart, It'seemed.

这废话连篇的歌曲, 她居然唱得挺熟.

英汉文学

Don't read and write only, learn them by heart.

“不要只去读,只去写, 要用心去记它们. ”

英语晨读30分（初二）

She knew its dull, little round by heart.

那种单调狭隘的生活她早就烂熟了.

英汉文学 - 嘉莉妹妹

Being illiterate, he had to learn the stories by heart.

由于不识字, 这些故事他都得背下来.

辞典例句

All you have to do is learn it by heart.

你只要做的就是把它背出来.

辞典例句

The students had to learn the poem by heart.

学生们必须背诵这首诗.

辞典例句

She pretended indignation though she was by heart very glad.

尽管她内心十分高兴,她却装作生气的样子.

辞典例句