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C1 — Advanced

Expressions for advanced English learners

relationships C1

extend an olive branch

Learn the formal expression 'extend an olive branch' and how to use it when resolving conflicts and making peace.
slang C1

face card never declines

Learn the slang 'face card never declines', used to praise someone's flawless appearance and undeniable good looks.
slang C1

fear of other people's opinions

Understand the meaning of 'fear of other people's opinions' (FOPO), how this modern psychological slang affects us, and how to use it in conversation.
travel C1

feast your eyes on

Learn how to use the expressive idiom 'feast your eyes on' to describe looking at beautiful sights, amazing food, or breathtaking views while traveling.
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relationships C1

feign indifference

Learn the formal phrase 'feign indifference' to describe pretending not to care when you actually do.
slang C1

feral girl summer

Explore 'feral girl summer', a slang term celebrating a wild, unfiltered, and carefree approach to summer life.
travel C1

fine dining establishment

Learn how to use 'fine dining establishment' to formally describe upscale, elegant, and top-tier restaurants.
food-cooking C1

flambé the dessert

Master the cooking term 'flambé the dessert' and learn how to describe lighting alcohol on fire for dramatic culinary effect.
entertainment C1

flub a line

Discover what it means to 'flub a line' in acting and public speaking, with natural examples and practical exercises.
business C1

fluctuate in value

Learn how to use 'fluctuate in value' to describe assets, currencies, or investments that continuously rise and fall in worth over time.
business C1

fluctuate wildly

Master the phrase 'fluctuate wildly' to describe highly unpredictable, rapid, and extreme changes in prices, financial markets, or statistical metrics.
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travel C1

fly by the seat of one's pants

Discover the meaning of the idiom 'fly by the seat of one's pants,' see natural examples, and learn how to use it when talking about unplanned travel experiences.
business C1

fob off the customers

Learn the casual business expression 'fob off the customers' to describe giving excuses or inferior products.
entertainment C1

foley artist

Learn about the role of a foley artist in film production, how they create sound effects, and how to use the term correctly.
academic C1

for the sake of

Understand how to use 'for the sake of' to express purpose or benefit. Learn its meaning, view clear examples, and test your knowledge.
business C1

fractional reserve banking

Learn about fractional reserve banking, the system where banks hold only a fraction of deposits, and how it impacts the money supply.
business C1

game theory

Discover how game theory is applied in business strategy, negotiation, and competitive analysis. Master this C1 economic concept with natural, professional examples.
travel C1

gastronomic traditions

Learn how to discuss 'gastronomic traditions' when exploring cultural food, culinary heritage, and travel.
travel C1

go off course

Learn how to use 'go off course' to describe losing your way or deviating from a planned route. Perfect for C1 travel English learners.
travel C1

gourmet dining experience

Understand how to use the phrase 'gourmet dining experience' to describe high-quality, artistic, and luxurious culinary adventures.