lifetime
A lifetime is the entire period of time that a person is alive. It can also refer to the length of time that an object, like a machine, works correctly.
例文
3 / 5He lived in the same house for his entire lifetime.
He lived in the same house for his entire lifetime.
The manufacturer provides a lifetime guarantee for this product.
The manufacturer provides a lifetime guarantee for this product.
Waiting for the results felt like a lifetime!
Waiting for the results felt like a lifetime!
語族
覚え方のコツ
Think of the word as a sum: LIFE + TIME. It is simply the total TIME of a LIFE.
クイックテスト
Traveling to the moon would be a once in a _______ opportunity.
正解！
正解は： lifetime
例文
He lived in the same house for his entire lifetime.
everydayHe lived in the same house for his entire lifetime.
The manufacturer provides a lifetime guarantee for this product.
formalThe manufacturer provides a lifetime guarantee for this product.
Waiting for the results felt like a lifetime!
informalWaiting for the results felt like a lifetime!
Researchers are studying the effects of diet over a human lifetime.
academicResearchers are studying the effects of diet over a human lifetime.
We need to calculate the lifetime value of our current customers.
businessWe need to calculate the lifetime value of our current customers.
語族
よく使う組み合わせ
よく使うフレーズ
once in a lifetime opportunity
once in a lifetime opportunity
the chance of a lifetime
the chance of a lifetime
a lifetime ago
a lifetime ago
よく混同される語
Lifespan is more technical and biological, while lifetime is used more generally for both people and objects.
Life refers to the state of being alive, whereas lifetime refers specifically to the duration of that state.
使い方のコツ
Lifetime is usually used as a singular noun. It is very common in marketing (lifetime warranty) and in hyperbolic speech to mean a very long time.
よくある間違い
Learners sometimes use 'all my life' and 'my whole lifetime' interchangeably, but 'lifetime' is more often used when discussing the length or duration specifically.
覚え方のコツ
Think of the word as a sum: LIFE + TIME. It is simply the total TIME of a LIFE.
語源
Derived from Old English 'līf' (life) and 'tīma' (time), combined to describe the duration of an existence.
文法パターン
文化的な背景
In many cultures, a 'Lifetime Achievement Award' is the highest honor one can receive for their career work.
クイックテスト
Traveling to the moon would be a once in a _______ opportunity.
正解！
正解は： lifetime
関連フレーズ
関連語彙
Timeの関連語
Monday
A1Monday is the day of the week between Sunday and Tuesday. In many parts of the world, it is regarded as the first day of the working and school week.
Tuesday
A1Tuesday is the third day of the week, positioned between Monday and Wednesday. In most Western cultures and business environments, it is regarded as the second day of the standard work week.
Thursday
A1Thursday is the day of the week that comes after Wednesday and before Friday. It is typically considered the fourth day of the working week in most Western countries.
Saturday
A1Saturday is the day of the week that follows Friday and comes before Sunday. It is widely considered the first day of the weekend and is typically a day for rest or leisure in many cultures.
Sunday
A1Sunday is the seventh day of the week, positioned between Saturday and Monday. In many parts of the world, it is considered the final day of the weekend and is typically a day for rest or religious activities.
weekend
A1The weekend is the period of time at the end of the week, typically including Saturday and Sunday. It is generally a time when people do not work or attend school and use the time for rest or leisure.
yesterday
A1Yesterday refers to the day immediately before today. It is used to describe events, actions, or states that occurred in the very recent past, specifically one day ago.
day after tomorrow
A1The day that comes after the one that follows today. It refers to a point in time two days into the future from the current day.
day before yesterday
A1The day that occurred immediately before yesterday, referring to two days ago from today. It is used to pinpoint a specific time in the recent past in relation to the current day.
January
A1January is the first month of the calendar year. It has 31 days and follows December of the previous year.
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