A2 Idiom 중립

être sur son trente-et-un

to be dressed to the nines

To be dressed very elegantly.

🌍

문화적 배경

The 'trente-et-un' is almost a requirement for 'Le Réveillon de la Saint-Sylvestre' (New Year's Eve). Even small house parties often have a dress code. The phrase is equally common in Quebec, though you might also hear 'être sur son beau dimanche' (to be in one's Sunday best). In Paris, 'être sur son trente-et-un' often involves 'le chic discret'—high-quality materials rather than flashy colors. In countries like Ivory Coast, being 'sur son 31' might involve wearing magnificent traditional fabrics like Bazin or Wax, often more colorful than European styles.

💡

The Possessive Rule

Always check your subject! If it's 'nous', it's 'notre trente-et-un'. This is the #1 mistake students make.

💬

Complimenting

Saying 'Tu es sur ton trente-et-un !' is a very high compliment in France. It acknowledges the effort the person made.

To be dressed very elegantly.

💡

The Possessive Rule

Always check your subject! If it's 'nous', it's 'notre trente-et-un'. This is the #1 mistake students make.

💬

Complimenting

Saying 'Tu es sur ton trente-et-un !' is a very high compliment in France. It acknowledges the effort the person made.

⚠️

Don't use 'dans'

Even though in English we say 'IN' your best clothes, in French, you are 'ON' (sur) your 31.

셀프 테스트

Complete the sentence with the correct possessive adjective.

Nous allons au mariage, nous sommes sur ______ trente-et-un.

✓ 정답! ✗ 아쉬워요. 정답: notre

The subject is 'nous', so the possessive must be 'notre'.

Which sentence is grammatically correct?

A) Elle est dans son trente-et-un. B) Elle est sur son trente-et-un. C) Elle est sur son trente.

✓ 정답! ✗ 아쉬워요. 정답: B

The idiom uses the preposition 'sur' and the full number 'trente-et-un'.

What would a friend say to someone who is very well dressed?

A: 'Je vais à mon premier rendez-vous !' B: 'Waouh, tu ______ !'

✓ 정답! ✗ 아쉬워요. 정답: es sur ton trente-et-un

This is the natural compliment for someone dressed up for a date.

In which situation would you NOT use this phrase?

Situations: 1. A gala dinner. 2. Going to the gym. 3. A wedding. 4. New Year's Eve.

✓ 정답! ✗ 아쉬워요. 정답: 2

You don't dress to the nines for the gym; you wear athletic clothes.

🎉 점수: /4

시각 학습 자료

Possessive Agreement

Subject
Je I
Tu You
Nous We
Possessive
mon my
ton your
notre our

연습 문제 은행

4 연습 문제
Complete the sentence with the correct possessive adjective. Fill Blank A2

Nous allons au mariage, nous sommes sur ______ trente-et-un.

✓ 정답! ✗ 아쉬워요. 정답: notre

The subject is 'nous', so the possessive must be 'notre'.

Which sentence is grammatically correct? Choose A2

A) Elle est dans son trente-et-un. B) Elle est sur son trente-et-un. C) Elle est sur son trente.

✓ 정답! ✗ 아쉬워요. 정답: B

The idiom uses the preposition 'sur' and the full number 'trente-et-un'.

What would a friend say to someone who is very well dressed? dialogue_completion A2

A: 'Je vais à mon premier rendez-vous !' B: 'Waouh, tu ______ !'

✓ 정답! ✗ 아쉬워요. 정답: es sur ton trente-et-un

This is the natural compliment for someone dressed up for a date.

In which situation would you NOT use this phrase? situation_matching A2

Situations: 1. A gala dinner. 2. Going to the gym. 3. A wedding. 4. New Year's Eve.

✓ 정답! ✗ 아쉬워요. 정답: 2

You don't dress to the nines for the gym; you wear athletic clothes.

🎉 점수: /4

자주 묻는 질문

10 질문

It likely comes from 'trentain', a luxury fabric made of 3,000 threads, or from military inspections on the 31st of the month.

Yes, it's very appropriate to describe dressing professionally for an interview.

No, it is used for everyone—men, women, and children.

Yes, it must agree with the subject: mon, ton, son, notre, votre, leur.

It's neutral to slightly informal. You can use it with friends, family, and colleagues.

There isn't a direct numerical opposite, but you could say 'être en jogging' or 'être mal habillé'.

No, the number is fixed at 31.

Only if the meeting is exceptionally formal. Otherwise, it might sound like you're trying too hard.

You can write 'trente-et-un' or '31'. Both are acceptable, but words are better for formal writing.

Rarely, but you could say a car is 'sur son 31' if it's been perfectly cleaned and polished for a show.

관련 표현

🔄

être tiré à quatre épingles

synonym

To be impeccably and neatly dressed.

🔗

se pomponner

similar

To doll oneself up.

🔗

être en grande tenue

specialized form

To be in full dress/uniform.

🔗

être sapé comme jamais

slang

To be dressed better than ever.

🔗

être en tenue d'Adam/Ève

contrast

To be naked.

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