by heart

• Try to learn by heart these english words and phrases
  努力把这些英语单字和短语记住。
• “ i know the christmas carols all by heart
  “我把圣诞节故事牢记在心。 ”
• L know it by heart now . that guy in the picture . .
  现在我从心里明白了，照片里那个人. .
• Only in this way can you learn it by heart
  只有这样你才能把它牢记在心。
• L know it by heart now . that guy in the picture . .
  现在我从心里明白了，照片里那个人. .
• The child has learned many tang poems by heart / from memory
  这个小孩背会了许多首唐诗。
• The teacher asked us to learn the poem by heart
  老师让我们背诵那首诗。
• I have learned the reading materials by heart
  我们已经背会了阅读材料。
• The teacher asked his pupils to learn the poem by heart
  老师要求他的学生要背诵这首诗。
• When i was 16 i used to repeat all the lines by heart
  16岁时我就能背下片中的所有台词。