"learn by heart" in Chinese (Simplified)
背下来熟记
Definition
完全记住某事，可以准确复述，比如单词、数字或信息。
Usage Notes (Chinese (Simplified))
常用于学业、音乐、朗诵等正式场合，与“死记硬背”不同，强调准确复述。不是字面意思，不涉及感情。
Examples
I need to learn by heart this poem for class.
我需要把这首诗**背下来**，为上课做准备。
She can learn by heart long lists of numbers.
她能把很长的数字表**背下来**。
Students often have to learn by heart facts for exams.
学生们常常需要**背下来**考试的知识点。
If you learn it by heart, you'll never forget the words on stage.
如果你**背熟了**，在台上就不会忘词了。
I can't believe you learned by heart everyone's phone number!
我真不敢相信你把大家的电话号码都**背下来了**！
My dad made me learn by heart our home address when I was a kid.
我小时候，爸爸让我把家庭住址**背下来**。