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C1 — Advanced

Expressions for advanced English learners

business C1

stem the tide

Learn how to use the C1 business idiom 'stem the tide' to describe stopping the increase or spread of something unwanted, like financial losses or negative trends.
academic C1

substantiate a claim

Learn the formal academic phrase 'substantiate a claim' to describe proving or backing up arguments with solid evidence.
relationships C1

succumb to monotony

Understand how the formal phrase 'succumb to monotony' describes giving in to a boring, repetitive routine in life or relationships.
business C1

sunk cost fallacy

Understand the sunk cost fallacy, a common cognitive bias in business decision-making, with clear examples and practice.
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relationships C1

suppress emotions

Learn the meaning of 'suppress emotions,' how to use it in formal contexts, and view natural example sentences.
food-cooking C1

sustainably caught

Learn what the term 'sustainably caught' means for wild seafood and why sourcing ocean-friendly fish matters deeply to modern ethical consumers and professional chefs.
travel C1

tail wind

Learn what a tail wind is, how it affects travel times, and how to use this aviation and travel term in natural English conversations.
daily-life C1

take a back seat

Learn the meaning of "take a back seat." Discover how to use this idiom to describe stepping back or letting others take charge.
daily-life C1

take precedence over

Understand the formal phrase 'take precedence over'. Learn how to prioritize tasks and ideas in English with natural examples and exercises.
food-cooking C1

tantalize the taste buds

Learn how to use the elegant phrase 'tantalize the taste buds' to describe incredibly delicious and tempting food.
entertainment C1

taste-maker

Learn how to use the C1 English term 'taste-maker' to describe influential people who decide what is trendy in fashion, music, and art.
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technology C1

tech giant

Discover the meaning of 'tech giant' and how to use it in business and technology contexts. Learn with natural example sentences and practice exercises.
business C1

terminate employment

Learn how to use the formal business phrase 'terminate employment' to describe ending a worker's contract professionally.
business C1

terminate the contract

Learn how to use 'terminate the contract' in formal business and legal English. Master C1 vocabulary for ending agreements legally.
academic C1

theoretical underpinnings

Understand 'theoretical underpinnings' and learn how to describe the foundational theories behind any research or study.
relationships C1

throw someone under the bus

Discover the meaning of the common casual idiom 'throw someone under the bus' and see how it's used when someone is betrayed.
business C1

tide the company over

Learn how to use 'tide the company over' to describe helping a business survive a temporary period of financial difficulty.
business C1

transfer pricing

Learn how multinational corporations use transfer pricing to value transactions between subsidiaries and comply with tax laws.
travel C1

travel at your own pace

Learn the meaning of 'travel at your own pace' and how to use it to describe self-guided, flexible journeys without rushing.
travel C1

travel in style

Learn the meaning of 'travel in style' with natural examples. Discover how to use this luxury travel expression in casual English conversations with friends.