thirty
thirty — number
1. the number 30, used when counting things, stating ages, or giving measurements s
the number 30, used when counting things, stating ages, or giving measurements such as temperature or distance
Yan invited thirty classmates to his birthday party at the park.
The temperature outside reached thirty degrees by noon today.
collocation: thirty degrees (temperature)
Sari has been learning Spanish for about thirty minutes each day.
Only thirty tickets were sold for the evening show last Friday.
A bus that can carry thirty passengers stopped at the corner.
常見錯誤
thirty — noun
1. the number 30 when thought of as a name, written figure, or mathematical value,
the number 30 when thought of as a name, written figure, or mathematical value, rather than as a quantity of things
Thirty is my lucky number, so I chose seat thirty on the train.
thirty used as a noun subject
Write the number thirty at the top of your answer sheet.
Romi guessed the number thirty during the game and won a prize.
The label on the package said size thirty, but the shoes were too large.
用法筆記
Unlike the number sense, this noun form can take determiners (the thirty, a thirty) and can be plural (thirties) when referring to multiple instances of the figure.
常見錯誤
2. the range of numbers from 30 up to 39, used especially to describe a person's ag
the range of numbers from 30 up to 39, used especially to describe a person's age or the years in a century
Élise is in her thirties and works as a nurse at the city hospital.
in + possessive + thirties (age range)
The temperature in July often stays in the low thirties in southern Spain.
Christopher spent his early thirties traveling through Southeast Asia.
The fashion of the nineteen thirties is famous for elegant dresses and hats.
文法句型
in + possessive + thirties
the + year + thirties
用法筆記
For age, always use the plural form 'thirties' with a possessive determiner (my, his, her, their): 'in his thirties.' For temperature or historical decades, simply use 'the thirties' without a possessive. Common modifiers include 'early,' 'mid,' and 'late.'
常見錯誤
3. a traditional mark, often written as the figure 30 inside dashes (—30—), that re
a traditional mark, often written as the figure 30 inside dashes (—30—), that reporters and editors use to show that a news article or story is finished and ready to be published
The reporter typed —30— at the bottom of the article to mark the end.
—30— symbol for story completion
In old newsrooms, editors expected writers to put thirty at the end of each story.
The editor circled the thirty at the bottom and sent the draft to press.
Before computers, news agencies used thirty as a universal end-of-story signal.
When the rookie reporter forgot to add thirty, the senior editor added it herself.
用法筆記
This convention is largely historical. Most modern newsrooms use digital publishing systems and no longer write —30— on articles. Learners may encounter it in books or films about journalism.
4. the second point that a player or team wins in one game of tennis, worth 30 poin
the second point that a player or team wins in one game of tennis, worth 30 points in the traditional scoring system
The score is thirty–love after Rachid won the first two points.
thirty–love (tennis scoring)
Quinn served well and quickly reached thirty in the third game.
Nila lost the next point, making the score thirty–forty against her.
Eli fought back from fifteen–thirty to win the game and take the lead.
文法句型
thirty + love / fifteen / forty
用法筆記
In tennis, 'thirty' is always spoken as a word, not read as a numeral. It is never the actual number 30 — it is simply the name for the second point. After thirty comes forty (the third point), and then game.