Expression Cards
7546 cards available.
idiom
black and white
Meaning
clearly defined; without confusion or ambiguity
Example
The contract terms are **black and white**.
idiom
black box
Meaning
a system or process whose workings are not understood or transparent
Example
The neural network is often described as a **black box** because its decision-making process is not fully transparent.
idiom
black box problem
Meaning
a situation where the internal workings of an AI system are not transparent or understood
Example
The biggest challenge in deep learning is the **black box problem**.
idiom
black box thinking
Meaning
analyzing unknown processes by studying their inputs and outputs
Example
In AI research, **black box thinking** helps improve transparency.
idiom
black hat
Meaning
a hacker with malicious intent
Example
**Black hats** often exploit vulnerabilities for personal gain.
idiom
black hole
Meaning
a situation where things disappear or are lost without explanation
Example
All the research data went into a **black hole** after the server crash.
idiom
black sheep
Meaning
a person who is considered a disgrace to a group or family
Example
He is the **black sheep** of the family.
idiom
black sheep of the family
Meaning
a family member who is considered a disgrace
Example
He became the **black sheep of the family** after his bad decisions.
idiom
blackout
Meaning
to lose consciousness temporarily
Example
He suddenly **blacked out** during the match.
idiom
blank mind
Meaning
unable to think clearly or remember something
Example
During the exam, my **mind went blank**.
idiom
blast off
Meaning
to take off or start with great energy or enthusiasm
Example
The project is ready to **blast off** next week.
phrasal-verb
blast out
Meaning
to play music very loudly
Example
The neighbors were **blasting out** heavy metal all night.
idiom
blaze a trail
Meaning
to be the first to do something innovative
Example
She **blazed a trail** in renewable energy research.
phrasal-verb
blend across
Meaning
to mix or merge cultures or systems from different areas
Example
Global cuisines often **blend across** traditions and tastes.
phrasal-verb
blend across cultures
Meaning
to combine or mix aspects from different cultural backgrounds
Example
Modern cuisine often **blends across cultures** to create new flavors.
phrasal-verb
blend in
Meaning
to become part of a group or culture naturally
Example
He tried to **blend in** by learning the local customs and traditions.
phrasal-verb
blend in with
Meaning
to mix naturally with people or surroundings
Example
Tourists often try to **blend in with** the locals to experience the culture better.
phrasal-verb
blend into
Meaning
to mix harmoniously with a group or culture; to become part of the surroundings
Example
She quickly **blended into** the local community by learning their customs.
phrasal-verb
blend together
Meaning
to combine or mix different elements harmoniously
Example
The festival helps different cultures **blend together** beautifully.
phrasal-verb
blend with
Meaning
to mix harmoniously with something; to integrate smoothly
Example
Immigrants often try to **blend with** the local culture while keeping their traditions alive.
idiom
blind date
Meaning
a romantic meeting between two people who have never met before
Example
She met her boyfriend on a **blind date**.
idiom
blind experiment
Meaning
a test conducted without participants knowing certain information to prevent bias
Example
The scientists conducted a **blind experiment** to ensure accuracy.
idiom
blind faith
Meaning
trusting without questioning
Example
Having **blind faith** can sometimes lead to disappointment.
idiom
blind justice
Meaning
justice that is impartial and not influenced by external factors
Example
**Blind justice** treats everyone the same, regardless of wealth or status.