凭记忆，记牢

凭记性

at heart───本质上，内心里

by ear───不看乐谱；凭听觉

to heart───发自内心

very heart───非常用心

body heat───要命的吸引力（电影名）

brown heart───褐腐病，黑心病

by far───到目前为止；远，非常（与比较级或最高级连用）

by half───相当；远远地

by hand───adv.用手

Mack knew this passage by heart.───麦克会背这一段。

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.

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. ”

The children all had to learn the poem by heart.───孩子们都得把这首诗背出来.

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.

She's learnt the whole speech off by heart.───她把整篇讲话都背熟了。

Mack knew this passage by heart.───会背这一段。

He learned all the texts by heart.───所有的课文他都背得烂熟.

The boy learned the poem by heart.───这男孩背下了这首诗.

She knew its dull, little round by heart.───那种单调狭隘的生活她早就烂熟了.

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.

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.

All you have to do is learn it by heart.───你只要做的就是把它背出来.

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.

She got a passage off by heart.───她背熟了一段文章.

Why don't you write out a speech and get it by heart?───你为什么不写份讲稿,然后把它背下来?

The students had to learn the poem by heart.───学生们必须背诵这首诗.

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。

The little girl knows a good many folk songs by heart.