英語で「desu」はどう発音する？
ˈdeɪ.su
DAY·soo
第1強勢： DAY
実際の動画クリップの中でネイティブが文脈に合わせて「desu」を発音するのを聴く
Linguistic Pronunciation Masterclass: “desu”
Phonetic mechanics, syllable architecture, and conversational cadence
Syllable Architecture & Stress Distribution
DAY
Gliding diphthong with sustained vocal resonance.
soo
Reduced vowel sound, relaxed jaw, and minimal vocal effort.
Primary emphasis falls on the first syllable ("DAY"). Raise your pitch and sustain the vowel length on this syllable while relaxing the surrounding syllables.
Common Pronunciation Traps & Learner Mistakes
The Trap: Avoid pronouncing every vowel with full acoustic weight. Non-native speakers often over-enunciate unstressed vowels.
How Native Speakers Say It: Only give full vowel clarity to the primary stressed syllable. Relax all unstressed vowels into a neutral, low-energy schwa (⁄ə⁄).
Connected Speech & Natural Conversational Flow
When followed by a vowel, insert a subtle glide (/w/ or /j/) to connect into the subsequent word without an abrupt glottal stop.
In natural sentences, avoid over-stressing "desu" unless it conveys the core contrast or focal point of your message.
Authentic Spoken Quotes from Native Video Context
“Tatoeba desu ne, you can imagine a big pot, and then this is the lid part so the lid and”— MIT OpenCourseWareWatch clip
“desu have a key lock oozma desu when Twitter Drayton Jessie entre y oz”— Native SpeakerWatch clip
“Tatoeba desu ne, ma amerika to nihon wo hikaku suru to, bunkateki ni iroiro na chigai ga arimasu.”— MIT OpenCourseWareWatch clip
“Ikaga desu ka? Ee aikawarazu desu yo, as usual yoku ano nihonjin no hito ga aisatsu de tsukaimasu.”— MIT OpenCourseWareWatch clip
“Sorekara desu ne, eeto doushi no stem, ee, plus kore de gatai to iu desu keredomo, ee,”— MIT OpenCourseWareWatch clip
“Sorekara desu ne, yoku tsukawareru pattern nandesu keredomo, nani nani suru hitsuyou ga arimasu.”— MIT OpenCourseWareWatch clip
「desu」のスピーキング練習
ネイティブの発音を聞き、マイクに向かってセンテンスを復唱すると、リアルタイムで単語ごとの発音精度スコアが表示されます。
Tatoeba desu ne, you can imagine a big pot, and then this is the lid part so the lid and
文脈で聴く: “desu”
955 件のクリップThe 英語 word “desu” is transcribed in the International Phonetic Alphabet (IPA) as ˈdeɪ.su (phonetic respelling: DAY-soo). Phonologically, it consists of 2 syllables (DAY · soo), with primary lexical stress placed on the 1st (initial) syllable (DAY). Grammatically, “desu” functions as a interjection. SayItVid indexes 955 authentic 英語 video clips demonstrating how native speakers articulate “desu” in natural connected speech across American (US: 8 sampled), British (UK), and Australian (AUS) accents, including verified broadcasts from MIT OpenCourseWare.
Spoken Video Transcripts & Contextual Quotes (5 Verified Clips)
- 🇺🇸 USMIT OpenCourseWareClip #1 · @7:45
“Ee, kono kanji desu keredomo, imi wa combine, sorekara fit, match no imi ga arimasu. Tatoeba desu ne, you can imagine a big pot, and then this is the lid part so the lid and the pot have to match, or fit to each other.”
- 🇺🇸 USClip #2 · @9:27
“comm ave e pz heaven d alcor rep are a poor gt3 fatigue avec souffrance def a desu have a key lock oozma desu when Twitter Drayton Jessie entre y oz vizitator a fatigue e-zpass que c'est avec Lexi's nokia visa MC Jenna Papa”
- 🇺🇸 USMIT OpenCourseWareClip #3 · @1:11
“A and B. Mochiron a wo b to hikaku suru, compare A with B koto wo tsukatte kudasai. Tatoeba desu ne, ma amerika to nihon wo hikaku suru to, bunkateki ni iroiro na chigai ga arimasu. chigai ga arimasu.”
- 🇺🇸 USMIT OpenCourseWareClip #4 · @20:25
“Sorekara, aikawarazu, as usual. Ikaga desu ka? Ee aikawarazu desu yo, as usual yoku ano nihonjin no hito ga aisatsu de tsukaimasu. Ee aikawarazu desu yo, as usual yoku ano nihonjin no hito ga aisatsu de tsukaimasu.”
- 🇺🇸 USMIT OpenCourseWareClip #5 · @29:39
“desu yo ne. Sorekara desu ne, eeto doushi no stem, ee, plus kore de gatai to iu desu keredomo, ee, wasuregatai, difficult to forget.”
意味と定義: “desu”
- A Japanese copula and sentence-ending particle often used humorously in internet slang as a meme.
動画内の例文 (3)
- “He added desu to the end of every single sentence.”
- “Tatoeba desu ne, you can imagine a big pot, and then this is the lid part so the lid and”
- “desu have a key lock oozma desu when Twitter Drayton Jessie entre y oz”
よく使われるフレーズ・コロケーション
発音: “desu”
- Pronunciation:
- DAY-soo
- 音節:
- DAY · soo
- Written Hyphenation:
- de · su
- 第1強勢：
- DAY
- IPA:
- ˈdeɪ.su
- 文脈で聴く
- desu
押韻・ライミングワード： “desu”
-eɪsu発音が全く同じ単語（同音異義語）
固有の発音「desu」 (⁄ˈdeɪ.su⁄) には一般的な語彙において同音異義語がありません。
「desu」に関するよくある質問
「desu」の英語の発音は？
「desu」の発音記号は ⁄ˈdeɪ.su⁄ (DAY-soo) です。上のネイティブ動画クリップを再生して、実際の会話におけるリアルな発音を聞いてみましょう。
「desu」の音節（シラブル）数はいくつですか？
「desu」には 2 つの音節があります：DAY · soo。
「desu」のアクセント（強勢）はどこですか？
「desu」の第1強勢（主アクセント）は「DAY」にあります。動画内の強勢の置かれ方に注目して聴いてみてください。
「desu」の意味は何ですか？
A Japanese copula and sentence-ending particle often used humorously in internet slang as a meme.
「desu」が実際に使われている文を聞くには？
このページには、字幕付きの動画例文が 955 件収録されています。「前へ / 次へ」（または矢印キー ← / →）を使って発音される瞬間をピンポイントで再生できます。
What is the most common pronunciation mistake when saying “desu”?
Avoid pronouncing every vowel with full acoustic weight. Non-native speakers often over-enunciate unstressed vowels. Only give full vowel clarity to the primary stressed syllable. Relax all unstressed vowels into a neutral, low-energy schwa (⁄ə⁄).