eighty

eighty — 名詞

1. the number that comes after seventy-nine and is written as the digit 80.

1.名詞A2
釋義

八十

數字80

the number that comes after seventy-nine and is written as the digit 80.

例句

Layla wrote the number eighty on the board for her classmates to copy.

Layla 把數字八十寫在黑板上，讓同學們抄下來。

eighty as a noun referring to the number itself

Adisa's grandmother turned eighty last week and had a big party.

Adisa 的祖母上週滿八十歲，舉辦了一場盛大的派對。

常見搭配
  • eighty years old
  • eighty people
  • page eighty
  • turn eighty
  • eighty percent
同義詞
  • four score

    literary or historical use; made famous by Lincoln's Gettysburg Address, but not used in everyday speech

文法句型

eighty + plural noun

the number eighty

用法筆記

When used as a determiner, 'eighty' goes directly before a plural noun without 'of' — say 'eighty students', not 'eighty of students'. As a noun, it can be the subject or object of a sentence: 'Eighty is an even number.'

常見錯誤

My grandmother is eighty years.
My grandmother is eighty years old.
In English, stating a person's age requires 'years old' or 'years of age' at the end.
There are eighty of students in the hall.
There are eighty students in the hall.
'eighty' as a determiner goes directly before the noun without 'of'.

2. the numbers from eighty to eighty-nine, used when stating a person's age range i

2.名詞A2
釋義

八十多

80到89的年齡、溫度或年代範圍

the numbers from eighty to eighty-nine, used when stating a person's age range in years, the temperature in degrees, or a historical decade — for example, someone who is in their eighties is between 80 and 89 years old.

例句

Lakshmi's great-aunt is in her eighties but still runs a small shop.

Lakshmi 的姑婆已經八十多歲了，但還在經營一家小店。

in one's eighties — age range

The temperature climbed to the high eighties during the summer heatwave.

夏季熱浪期間，氣溫攀升到了接近九十度。

in the high eighties — temperature range

常見搭配
  • in one's eighties
  • in the eighties
  • in her early eighties
  • in his late eighties
  • the high eighties
  • the mid-eighties

文法句型

in one's eighties

in the eighties

in [her/his/their] early/mid/late eighties

用法筆記

This sense always uses the plural form 'eighties'. Never use the singular 'eighty' for this meaning. Common patterns: 'in one's eighties' (age), 'in the eighties' (temperature or decade), and 'early/mid/late eighties' for more precise ranges. The decade sense refers specifically to the 1980s.

常見錯誤

My uncle is in his eighty.
My uncle is in his eighties.
The plural form 'eighties' is required when talking about an age range from 80 to 89.
The temperature is in the eighty.
The temperature is in the eighties.
Use the plural form for temperature ranges as well.

同根字

常見搭配

名詞搭配

常用片語

  • eighty years old
  • in the eighties
  • in one's eighties
  • page eighty
  • turn eighty

介系詞搭配