English English
CEFR LEVEL
3335 entries have no recorded CEFR level and are included in All.
blue blood
idiomNoble, aristocratic, or upper-class ancestry and lineage.
↗Blue Law
idiomA statutory regulation prohibiting specific commercial or recreational activities on Sundays or holy days.
↗blueprint
word B2A detailed technical drawing or design plan, or a comprehensive guide for achieving a goal.
↗blunder
word B2a stupid or careless mistake; a serious error in judgment
↗Blunder into
phrasal verbTo enter or get involved in a difficult, dangerous, or confusing situation through carelessness or ignorance
↗Bluntly
word B2in a direct way without trying to be polite; frankly
↗blurt out
phrasal verbTo speak suddenly and tactlessly without thinking, especially divulging confidential or sensitive information
↗board
word A1a flat surface for writing or notices; a group that makes decisions; to get on a vehicle a flat, thin, rectangular piece of material such as wood; also a group of people managing an organization; a flat, thin, rectangular piece of material such as wood; also a group of people managing an organization
↗Board the flight
phraseto get on an airplane to begin a journey
↗Board up
phrasal verbTo cover or secure the windows, doors, or openings of a structure or container using wooden planks
↗boast
word B1To talk with excessive pride and self-satisfaction about one's achievements, possessions, or abilities.
↗boast about
phrasal verbTo speak with excessive pride or self-satisfaction regarding one's accomplishments, capacity, or performance
↗boast of
phrasal verbTo proudly possess or claim a remarkable asset, feature, or achievement as a distinction
↗boat
word A1a small vehicle that travels on water a small vessel for traveling over water a small vessel used for traveling on water; a small vessel for traveling over water a small vessel used for traveling on water
↗body
word A1the physical part of a person the physical structure of a person or animal; the physical structure of a person or animal
↗Bog down
phrasal verbTo prevent progress or movement; to become stuck, delayed, or entangled in complex procedures or physical obstacles
↗boil
word A2to heat liquid until it turns to vapor, or cook in boiling water a painful, pus-filled bump under the skin caused by infected hair follicles to heat a liquid until it starts to bubble and turn into vapor.; A painful, inflamed, pus-filled swelling on the skin, typically caused by bacterial infection of a hair follicle.; a painful, pus-filled bump under the skin caused by infected hair follicles to heat a liquid until it starts to bubble and turn into vapor.
↗boil down
phrasal verbTo condense, reduce, or summarize complex information, data, or plans into essential points
↗Boil down to
phrasal verbTo have something as the primary, fundamental, or ultimate deciding factor or cause
↗Boil over
phrasal verbto overflow from a pot or pan when boiling
↗Boil up
phrasal verbTo develop, escalate, or intensify gradually until reaching a dangerous or explosive level (such as conflict, anger, or unrest)
↗Boiling Point
idiomThe stage at which anger, tension, or conflict reaches an unbearable peak and erupts.
↗Boldly
word B2in a confident and brave way; without fear
↗bolster
word C1to support, strengthen, or prop up
↗Bolster up
phrasal verbTo strengthen, support, or reinforce something fragile, strained, or in need of assistance
↗bolt down
phrasal verb1. To securely fasten something to a floor or structure using heavy bolts. 2. To eat or swallow food very rapidly
↗Bolt from the Blue
idiomA sudden, completely unexpected event or piece of news that causes shock.
↗bomb
word B1a container filled with explosive material designed to explode and cause damage or destruction
↗Bomb out
phrasal verbTo fail completely or be thoroughly unsuccessful in an undertaking
↗bomber
word B2a military aircraft designed to drop bombs; a person who plants bombs
↗bond
word B1a close connection or relationship joining people or things
↗Bond over
phrasal verbto establish or strengthen a friendly connection and emotional closeness through a shared interest, experience, or activity
↗bone
word A1one of the hard parts inside the body that forms the skeleton any of the hard parts inside a human or animal that make up its frame one of the hard parts inside a human or animal that make up the frame of the body the hard parts of a skeleton that form the structure of the body
↗bone of contention
idiomAn unresolved issue or disagreement that continually generates conflict between parties.
↗Bone up on
phrasal verbto study a particular subject intensively, especially to gain quick knowledge before a test or task
↗bonus
word A2extra money, points, or benefit in addition to the usual amount an amount of money added to wages on a seasonal basis, especially as a reward for good performance an extra payment or reward given in addition to what is usual or expected.
↗book
word A1written pages together; to reserve a ticket, room, or service A set of written, printed, or blank pages fastened together; to arrange for someone to have a seat, room, or ticket in advance.; A set of written, printed, or blank pages fastened together; to arrange for someone to have a seat, room, or ticket in advance.
↗book a ticket
phrase A2to reserve and purchase an admission or travel pass in advance
↗Book in
phrasal verbTo register or check in upon arrival at a site, facility, or event
↗book in advance
phraseto reserve tickets, hotel rooms, or transportation well ahead of the travel date
↗