ninety

ninety — 名詞

1. the number that comes after eighty-nine and before ninety-one, used when countin

1.名詞A1
釋義

九十

數字90,用於計數

the number that comes after eighty-nine and before ninety-one, used when counting or saying how many of something there are

例句

Kevin saved ninety dollars from his summer job to buy a new bicycle.

Kevin 用暑假打工存的九十美元買了一輛新腳踏車。

quantity: ninety + countable noun (dollars)

The temperature outside reached ninety degrees by noon today.

今天中午氣溫高達華氏九十度。

measurement: ninety degrees (temperature)

常見搭配
  • ninety percent
  • ninety degrees
  • ninety out of
  • turn ninety
  • ninety-nine

文法句型

ninety + noun (plural)

ninety out of + number

用法筆記

When writing compound numbers from ninety-one to ninety-nine as words, use a hyphen between 'ninety' and the unit (e.g., ninety-seven, ninety-two).

常見錯誤

I am ninety years.
I am ninety years old.
When talking about age, you need 'years old' or 'years of age' after the number.
Ninety peoples came to the party.
Ninety people came to the party.
'People' is already plural; do not add an 's'.

2. the written symbol or name '90' treated as a thing — for example, a mark on a pa

2.名詞A1
釋義

數字九十

九十這個書寫符號

the written symbol or name '90' treated as a thing — for example, a mark on a page or the name of a number in a maths problem

例句

The child drew a large ninety on the paper with a bright blue crayon.

那個小孩用亮藍色的蠟筆在紙上畫了一個大大的「九十」。

countable: a ninety (physical symbol)

If you turn a ninety upside down, it looks a lot like the number six.

如果把「九十」倒過來看,它長得很像數字六。

文法句型

a ninety

the ninety

a + number + ninety

用法筆記

Unlike the cardinal sense (sense 1), this noun sense treats 'ninety' as a countable object — you can say 'a ninety' or 'the ninety'. It refers to the numeral as a physical or written thing rather than a quantity.

3. the set of whole numbers from ninety up to ninety-nine, used especially when des

3.名詞A2
釋義

九十多

從90到99的範圍

the set of whole numbers from ninety up to ninety-nine, used especially when describing a person's age, the temperature, a score, or a period of ten years in a century

例句

Ayesha's grandmother is in her nineties and still knits sweaters for the family every winter.

Ayesha 的奶奶已經九十多歲了,每年冬天還會為家人織毛衣。

age range: in one's nineties

Temperatures in the nineties are common in Taipei during July and August.

臺北七、八月常見華氏九十幾度的高溫。

temperature range: in the nineties

常見搭配
  • in one's nineties
  • in the nineties
  • low nineties
  • high nineties
  • mid-nineties

文法句型

in the nineties

in one's nineties

the nineties (as a decade)

用法筆記

This sense always uses the plural form 'nineties'. The meaning changes by context: 'in one's nineties' = age 90–99; 'in the nineties' = temperature 90–99°F or the 1990s decade.

常見錯誤

My grandmother is in her ninety.
My grandmother is in her nineties.
Use the plural form 'nineties' when referring to an age range or temperature range.

同根字

  • nine
    數詞A1
  • nineteen
    數詞A1
  • ninetieth
    形容詞A2
  • nineties
    名詞A2

常見搭配

名詞搭配

  • ninety percent
  • ninety degrees
  • ninety-nine

常用片語

  • in one's nineties
  • the nineties (decade)

介系詞搭配

  • in the nineties
  • out of ninety