How do you use "learn by heart" in a sentence?

She learned the poem by heart. You must learn these formulas by heart for the exam. He learned all the capital cities by heart.

learn by heart

Collocation BritishAmericanAustralian ★★★★★ Very Common Neutral

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意味: To memorise something so completely that you can repeat it without looking

背下来；熟记于心

aprender de memoria

暗記する

암기하다

We say 'learn by heart' not 'learn by memory' or 'learn by head'. This is a fixed idiomatic collocation — the 'heart' was historically considered the seat of memory.

我们说'learn by heart'而不是'learn by memory'或'learn by head'。这是一个固定的惯用搭配——历史上'heart'被认为是记忆的中心。

Decimos 'learn by heart' y no 'learn by memory' ni 'learn by head'. Es una colocación idiomática fija: históricamente se consideraba que el corazón era el centro de la memoria.

'learn by memory'や'learn by head'ではなく'learn by heart'と言います。これは固定された慣用的コロケーションで、歴史的に心臓が記憶の中心と考えられていたことに由来します。

'learn by memory'나 'learn by head'가 아니라 'learn by heart'라고 합니다. 이것은 고정된 관용적 연어로, 역사적으로 'heart(심장)'가 기억의 중심으로 여겨졌습니다.

例文

She learned the poem by heart.
她把那首诗背了下来。
Se aprendió el poema de memoria.
彼女はその詩を暗記しました。
그녀는 그 시를 암기했다.
You must learn these formulas by heart for the exam.
你必须在考试前把这些公式背下来。
Debes aprenderte estas fórmulas de memoria para el examen.
試験に向けてこれらの公式を暗記しなければなりません。
시험을 위해 이 공식들을 암기해야 합니다.
He learned all the capital cities by heart.
他把所有首都都背了下来。
Se aprendió de memoria todas las capitales.
彼はすべての首都を暗記しました。
그는 모든 수도를 암기했다.

発音

使い方ガイド

場面: education, study, general

トーン: practical

✓ 正しい言い方

Learn this poem by heart.
把这首诗背下来。
Aprende este poema de memoria.
この詩を暗記しなさい。
이 시를 암기하세요.
She knows the speech by heart.
她对那篇演讲了然于心。
Se sabe el discurso de memoria.
彼女はそのスピーチを暗記しています。
그녀는 그 연설을 외우고 있다.

✗ 間違った言い方

Learn this poem by memory. (use 'by heart' not 'by memory')
把这首诗learn by memory。（用'by heart'而不是'by memory'）
Aprende este poema by memory. (se usa 'by heart' y no 'by memory')
この詩をby memoryで覚えなさい。（'by memory'ではなく'by heart'を使います）
이 시를 by memory로 외우세요. ('by memory'가 아니라 'by heart'를 씁니다)
Learn this poem by head. (use 'by heart' not 'by head')
把这首诗learn by head。（用'by heart'而不是'by head'）
Aprende este poema by head. (se usa 'by heart' y no 'by head')
この詩をby headで覚えなさい。（'by head'ではなく'by heart'を使います）
이 시를 by head로 외우세요. ('by head'가 아니라 'by heart'를 씁니다)

起源と歴史

Historical English collocation — 'by heart' dates back to the ancient belief that the heart, not the brain, was the centre of memory.

文化的背景

Era: Traditional

Generation: All ages

Social background: Universal

このトピックの他の表現

sit an exam ★★★★★ To take a formal test or examination pass an exam ★★★★★ To achieve a satisfactory result in a test or examination fail an exam ★★★★★ To not achieve a satisfactory result in a test or examina... take notes ★★★★★ To write down important points during a lecture, meeting,... do homework ★★★★★ To complete schoolwork assigned to be done outside of class do research ★★★★★ To study a subject carefully in order to discover new inf...