英語で「costly」はどう発音する？
ˈkɒst.li
KOST·lee
第1強勢： KOST
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「costly」を発音するのを聴く
can use information information is costly to obtain costly to store costly to retrieve but information that is coded within a narrative sequence is to retrieve but information that is
Linguistic Pronunciation Masterclass: “costly”
Phonetic mechanics, syllable architecture, and conversational cadence
Syllable Architecture & Stress Distribution
KOST
Elevated pitch, sustained vowel length, and full acoustic clarity.
lee
Reduced vowel sound, relaxed jaw, and minimal vocal effort.
Primary emphasis falls on the first syllable ("KOST"). 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 "costly" is followed by a word starting with a vowel, glide the final consonant into the opening vowel (e.g. "costly is" sounds like "costly-iz").
In natural sentences, avoid over-stressing "costly" unless it conveys the core contrast or focal point of your message.
Authentic Spoken Quotes from Native Video Context
“costly to obtain costly to store costly to retrieve but information that is coded within a narrative sequence is”— Native SpeakerWatch clip
“costly and wasn't structured appropriately and we had regulatory and supervisory oversight of savings and loans that was inappropriate”— Native SpeakerWatch clip
“costly in uh in human lives in global reputation in money and so on so china would much rather”— Native SpeakerWatch clip
“costly to go to a school like that.”— Native SpeakerWatch clip
“costly way of of resolving that they the the lender loses money the borrower uh”— Native SpeakerWatch clip
“costly is the antithesis of that?”— Native SpeakerWatch clip
「costly」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。
costly to obtain costly to store costly to retrieve but information that is coded within a narrative sequence is
文脈で聴く: “costly”
2,956 件のクリップThe 英語 word “costly” is transcribed in the International Phonetic Alphabet (IPA) as ˈkɒst.li (phonetic respelling: KOST-lee). Phonologically, it consists of 2 syllables (KOST · lee), with primary lexical stress placed on the 1st (initial) syllable (KOST). Grammatically, “costly” functions as a adjective, noun. SayItVid indexes 2,956 authentic 英語 video clips demonstrating how native speakers articulate “costly” in natural connected speech across American (US: 8 sampled), British (UK), and Australian (AUS) accents.
Spoken Video Transcripts & Contextual Quotes (5 Verified Clips)
- 🇺🇸 USClip #1 · @8:16
“can use information information is costly to obtain costly to store costly to retrieve but information that is coded within a narrative sequence is to retrieve but information that is”
- 🇺🇸 USClip #2 · @11:22
“it certainly was we had a Deposit Insurance Scheme that was extremely costly and wasn't structured appropriately and we had regulatory and supervisory oversight of savings and loans that was inappropriate supervisory oversight of savings and loans that was inappropriate”
- 🇺🇸 USClip #3 · @2:08
“but to invade it would take up to two million men and it would be hugely costly in uh in human lives in global reputation in money and so on so china would much rather in money and so on so china would much rather”
- 🇺🇸 USClip #4 · @33:15
“places like the Columbia we have so many applications. And this is a terrible economy and it's fairly costly to go to a school like that. And people want to become writers quite desperately. to become writers quite desperately.”
- 🇺🇸 USClip #5 · @0:19
“foreclosures are expensive for uh for everybody they're they're a very uh costly way of of resolving that they the the lender loses money the borrower uh is has has her life disrupted it's very very bad thing guess the question all”
意味と定義: “costly”
- Of high cost; expensive.
- Short for costly colours.
動画内の例文 (3)
- “a costly activity”
- “Costly is a simpler game than cribbage.”
- “costly to obtain costly to store costly to retrieve but information that is coded within a narrative sequence is”
よく使われるフレーズ・コロケーション
発音: “costly”
- Pronunciation:
- KOST-lee
- 音節:
- KOST · lee
- Written Hyphenation:
- cost · ly
- 第1強勢：
- KOST
- IPA:
- ˈkɒst.li
- 文脈で聴く
- costly
類義語: “costly”
「costly」と意味が関連する単語を実際の動画クリップで確認:
押韻・ライミングワード： “costly”
-ɒstli発音が全く同じ単語（同音異義語）
固有の発音「costly」 (⁄ˈkɒst.li⁄) には一般的な語彙において同音異義語がありません。
「costly」に関するよくある質問
「costly」の英語の発音は？
「costly」の発音記号は ⁄ˈkɒst.li⁄ (KOST-lee) 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。
「costly」の音節（シラブル）数はいくつですか？
「costly」には 2 つの音節があります：KOST · lee。
「costly」のアクセント（強勢）はどこですか？
「costly」の第1強勢（主アクセント）は「KOST」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。
「costly」の意味は何ですか？
Of high cost; expensive.
「costly」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 2956 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 “costly”?
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⁄).