lifetime
gb/lˈaɪftˌaɪm/ us/lˈaɪftˌaɪm/
A2
英語
~ 4800
語義
0件の語義
名詞
A2
quantity
1
Entire span of a person's life
The whole time that someone is alive.
用法パターン：
[someone]'s lifetime
よくある間違い：
Learners sometimes confuse 'lifetime' with 'lifespan'. 'Lifetime' is often used for people and can be more personal or emotional, while 'lifespan' is more neutral or scientific.
類義語
lifespan (Often used for both people and animals; slightly more scientific in tone.)
対義語
moment (Refers to a very short period of time, the opposite of an entire life span.)
コロケーション
in my lifetime
|during his lifetime
|over a lifetime
|average lifetime
テーマ
daily life
|time
|personal
|core_vocabulary
例文
- She achieved more in her lifetime than many do in several.
- He collected stamps throughout his lifetime.
- During her lifetime, she traveled to over 50 countries.
- My grandfather saw many changes over his lifetime.
- The invention changed the course of his lifetime.
学習者向け例文
- He worked hard all his lifetime.
- She met many people in her lifetime.
- In my lifetime, I have seen big changes.
- They were friends for a lifetime.
名詞
B1
quantity
2
Time something remains usable
The time something can be used before it stops working well.
用法パターン：
[something]'s lifetime
類義語
service life ('Service life' is more technical and often used in engineering contexts.)
対義語
failure ('Failure' marks the end of usefulness, the opposite of the usable period.)
コロケーション
battery lifetime
|product lifetime
|system lifetime
|service lifetime
テーマ
technology
|products
|time
例文
- The battery has a lifetime of about five years.
- Regular maintenance can extend the lifetime of your car.
- This paint offers a longer lifetime than standard brands.
- The software's lifetime is expected to be at least a decade.
学習者向け例文
- This phone has a short battery lifetime.
- Good care will make the bike's lifetime longer.
- The light bulb has a long lifetime.
名詞
B1
event
3
Once-in-a-life opportunity
A very special chance that you will probably have only once in your life.
用法パターン：
[a/an] lifetime [opportunity/experience]
類義語
once-in-a-lifetime chance ('Once-in-a-lifetime' is a fixed phrase emphasizing rarity.)
対義語
everyday occurrence ('Everyday occurrence' refers to something ordinary and frequent, opposite of rare.)
コロケーション
a lifetime opportunity
|a lifetime experience
|a trip of a lifetime
テーマ
experiences
|personal
|opportunity
|time
|daily_life
例文
- Winning that scholarship was the opportunity of a lifetime.
- Climbing Mount Everest was truly the experience of a lifetime.
- Meeting the president was a lifetime moment for her.
学習者向け例文
- This trip is the chance of a lifetime.
- It was the best day of my lifetime.
- Meeting my hero was a lifetime experience.
文法
辞書形
lifetime
IPA
GB/lˈaɪftˌaɪm/
US/lˈaɪftˌaɪm/
音節・強勢
life - time （2音節）
Stress on 1st syllable (life)
活用形
Noun
- Base: lifetime
- Plural: lifetimes
関連語
表現
(the) chance of a lifetime
1/ðə t͡ʃˈæns əv ə lˈaɪftˌaɪm/
fixed phrase
(Best) rare opportunity ever
(The) best and rarest chance you will have in your life.
例文
- "Getting that internship was the chance of a lifetime for her career."
- "Winning the competition gave him the chance of a lifetime to perform on stage."
(the) experience of a lifetime
1/ðə ɪkspˈɪɹiəns əv ə lˈaɪftˌaɪm/
fixed phrase
(the) experience of a lifetime
(the) experience of a lifetime
once in a lifetime
1/wˈʌns ˈɪn ə lˈaɪftˌaɪm/
fixed phrase
Happens only once ever
Happening only one time in your whole life.
例文
- "This concert is a once in a lifetime event," said the promoter.
- "Traveling to Antarctica was a once in a lifetime experience for me."