耳熟能详

• ピンイン: ěr shú néng xiáng
• 漢字の分解: 耳 = 象形 (ear); 熟 = 享 (enjoy) + 灬 (heat) — brought to full ripeness by sustained exposure; 能 = 月 + 匕匕 — originally a bear pictograph, meaning ability; 详 = 言 (speech) + 羊 (phonetic) — to speak in thorough detail

意味

耳熟能详（聞き慣れていてよく知っている）

耳熟能详 describes the deep familiarity that comes from repeated hearing — a proverb, story, cultural reference, or principle one knows so well they could recite and explain it without preparation. Used in academic, cultural, and media contexts to describe widely-known material.

例文

1. 这首民歌旋律优美，歌词朗朗上口，在华语地区早已是耳熟能详的经典之作。
2. 对于任何一位研究近代史的学者来说，那段历史事件的来龙去脉都是耳熟能详的基础知识。
3. 她将那段演讲的内容背得耳熟能详，在讨论会上能够逐字逐句地引用并加以分析。

使い方ガイド

場面: academic, literature, culture, media

トーン: appreciative

正しい言い方

• 孔子的仁义礼智信等核心思想对于每一位接受过中国传统文化教育的人来说几乎都是耳熟能详的基础概念，但真正将其融入日常行为的人却并不多。(Confucius's core ideas such as benevolence, righteousness, propriety, wisdom, and integrity are concepts almost everyone with a traditional Chinese cultural education knows thoroughly, yet those who truly integrate them into daily conduct are far fewer.)
• 这部纪录片采访了数十位亲历者，将那些本应耳熟能详却逐渐被年轻一代遗忘的历史细节重新带回公众的视野。(This documentary interviewed dozens of eyewitnesses, bringing back into public view those historical details that should be thoroughly familiar but have gradually been forgotten by the younger generation.)

避ける言い方

• 我对这首歌耳熟能详地唱了出来 — 耳熟能详 is an adjectival predicate describing a state of familiarity, not an adverb modifying the manner of an action; say 这首歌我早已耳熟能详，可以随口唱出 for correct usage

起源と歴史

耳 (ear) + 熟 (ripe/familiar) + 能 (able/capable) + 详 (detailed/thorough) — made familiar through hearing until one is capable of explaining it in complete detail

文化的背景

世代: All ages

社会的背景: Universal