B2 verb ニュートラル

briefcase

/ˈbriːf.keɪs/

A briefcase is a flat, rectangular container, typically made of leather or plastic, equipped with a handle and used for carrying documents, books, or electronic devices. It is a staple accessory for professionals, lawyers, and academics who need to transport paperwork in an organized and protected manner.

例文

3 / 5
1

He quickly packed his notes and closed his briefcase before heading to the station.

He gathered his papers and shut his professional bag before leaving for the train.

2

The witness presented the documents directly from his locked briefcase to the court.

The person testifying took the files from his secured document case for the judge.

3

I found your old briefcase in the attic, but the handle is broken.

I discovered your previous work bag upstairs, though it is damaged.

語族

名詞
briefcase
関連
brief, case
💡

覚え方のコツ

Think of it as a 'case' for your 'briefs.' In legal English, a 'brief' is a short summary of a case, so lawyers use a 'brief-case' to carry them.

クイックテスト

The CEO snapped his _____ shut and stood up to end the meeting.

正解!

正解は: briefcase

例文

1

He quickly packed his notes and closed his briefcase before heading to the station.

everyday

He gathered his papers and shut his professional bag before leaving for the train.

2

The witness presented the documents directly from his locked briefcase to the court.

formal

The person testifying took the files from his secured document case for the judge.

3

I found your old briefcase in the attic, but the handle is broken.

informal

I discovered your previous work bag upstairs, though it is damaged.

4

The lecturer pulled a stack of research papers from her worn leather briefcase.

academic

The university teacher took out many studies from her aged leather document holder.

5

All executives are required to keep their company laptops in a secure briefcase during travel.

business

Management must store their computers in a safe professional case while on trips.

語族

名詞
briefcase
関連
brief, case

よく使う組み合わせ

leather briefcase a professional bag made of animal hide
carry a briefcase to hold and transport a document bag
lock a briefcase to secure the document bag with a key or code
open your briefcase to unzip or unlatch the document bag
stuffed briefcase a document bag that is completely full

よく使うフレーズ

handcuffed briefcase

a high-security case attached to the wrist

clasp a briefcase

to grip the handle of the document bag firmly

briefcase full of cash

a common trope in movies representing illegal deals

よく混同される語

briefcase vs suitcase

A briefcase is for professional documents and work; a suitcase is large and used for clothes when traveling.

briefcase vs satchel

A satchel often has a long shoulder strap and a softer shape, whereas a briefcase is rigid and usually hand-carried.

📝

使い方のコツ

Use 'briefcase' specifically for professional or academic document-carrying bags. While many people now use laptop backpacks, 'briefcase' still carries a connotation of traditional formality and corporate life.

⚠️

よくある間違い

Learners often call any large bag used for travel a 'briefcase', but this word is only for the specific rectangular, professional document bag.

💡

覚え方のコツ

Think of it as a 'case' for your 'briefs.' In legal English, a 'brief' is a short summary of a case, so lawyers use a 'brief-case' to carry them.

📖

語源

A compound of 'brief' (legal summary) and 'case' (receptacle), originating in the mid-19th century.

文法パターン

Countable noun Commonly used as a compound noun Plural: briefcases
🌍

文化的な背景

The briefcase was once the ultimate symbol of the 'organization man' or white-collar worker in the 20th century, representing authority and a serious career.

クイックテスト

The CEO snapped his _____ shut and stood up to end the meeting.

正解!

正解は: briefcase

関連単語

abmultant

C1

To diversify or branch out extensively from a single origin into multiple complex channels, forms, or applications. It describes the process of systemic expansion where a core entity multiplies its variety or reach.

microdoccide

C1

A specialized chemical substance or agent used to destroy or inhibit the growth of microscopic organisms such as bacteria, fungi, or viruses. It is primarily utilized in industrial, medical, and laboratory settings to ensure sterilization and prevent contamination.

circumminty

C1

The specific micro-atmosphere or olfactory 'halo' of coolness and freshness that surrounds an aromatic source, particularly mint plants or mentholated substances. It describes the spatial reach of a refreshing scent within a localized environment.

micromortious

C1

To calculate or estimate the minute probability of death associated with a specific action, typically measured in units representing a one-in-a-million chance. This verb is used to statistically assess the inherent danger of activities by quantifying potential mortality risks.

underpeline

C1

To provide a strong foundational support or to reinforce the underlying structure of an argument, theory, or physical entity. It describes the act of strengthening the core elements that hold a complex system or idea together to ensure stability.

misdictious

C1

To communicate or record verbal information inaccurately, specifically by confusing similar-sounding words or misinterpreting dictated instructions. It is primarily used in technical or test-based contexts to describe a failure in precise verbal transmission.

proscriber

C1

To officially forbid or prohibit something by law, decree, or social authority. It can also refer to the act of denouncing or condemning a person or group as harmful or dangerous.

triprehendful

C1

A triprehendful refers to a specific quantity of complex information or a situation that requires three distinct perspectives or levels of analysis to be fully grasped. It describes an amount of data or conceptual difficulty that is multifaceted and cannot be simplified into a binary explanation.

adcedency

C1

Adcedency refers to the state of rising to or holding a position of dominant power, influence, or governing authority. It describes the condition of being in control or having a superior status over others in a specific hierarchy or field.

postdynery

C1

To engage in the practice of lingering at a table after a meal has concluded to enjoy conversation and social bonding. This verb describes the transition from the physical act of eating to the intellectual or social act of communal reflection.

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