by heart
中文翻譯：
憑記憶, 記住相關句子：
- All you have to do is learn it by heart.你只要做的就是把它背出來。
- Everyone in the class has to learn Lincoln's Gettysburg Address by heart.班上每個學生都必須默誦林肯葛底斯堡演說詞。
- It is important to learn large numbers of phrases by heart.背誦很多英文詞組很重要。
- We had better learn by heart as many sentence patterns as we can.我們最好儘可能多背句型。
英文解釋：
副詞 by heart:
- by committing to memory同義詞：by memory
詞意辨析：
at heart, by heart這是兩個與heart有關的詞組。
at heart: 意思是“在心裡”、“心底里”或“本質上”（from the heart，from the bottom of one's heart or essentially）。- That socialite is a rascal at heart.
那個知名人士實質上是個壞蛋。 - A councillor should have the collective interest of society at heart.
議員應當關心大眾的利益。 - At heart，Mr．Lin does not approve your proposal.
林先生的心裡並不贊同你的建議。 - Mr．Wang looks serious，but he is kind at heart.
王先生看來嚴肅，但實質上他很仁慈。
by heart: 意思是“背誦”、“熟記”（by rote；to learn so well that one can remember it perfectly）。- I know this poem by heart.
我能背誦這首詩。 - I don't see the point of learning by heart all the dates in the history book!
我真不明白為什麼要把歷史書里所有的日期都要記下來！
那個知名人士實質上是個壞蛋。
議員應當關心大眾的利益。
林先生的心裡並不贊同你的建議。
王先生看來嚴肅，但實質上他很仁慈。
我能背誦這首詩。
我真不明白為什麼要把歷史書里所有的日期都要記下來！