If you’re preparing for a C1 or C2 exam, mastering advanced vocabulary is key — not just for the test, but for real-world communication at university or in your career. Here are five phrases to help you sound more professionals and advanced.
Use it to introduce an obvious but important point.
Example: It goes without saying that clear communication is essential in any workplace.`
Perfect for essays or discussions where you want to show critical thinking.
Example: From a broader perspective, this policy could impact not only the economy but also social equality.
Use this to rephrase or clarify an idea smoothly — great for speaking and writing.
Example: To put it another way, innovation drives competitiveness.
Adds emphasis and confidence to your opinion — useful in both formal and persuasive writing.
Example: There’s no denying that climate change is one of the most urgent challenges of our time.
A flexible idiom often used in professional or motivational contexts.
Example: This qualification will help you take your English to the next level.

Using idioms in English is essential if you want to sound more professional, natural and confident in both spoken and written communication.
Idiomatic expressions are a key feature of advanced English and are widely used in business English, academic contexts and everyday professional interactions. When used appropriately, idioms help you express ideas more clearly, add emphasis, and show a deeper understanding of the language beyond basic vocabulary.
This is especially important for learners preparing for C1 or C2 English exams, as examiners look for range, precision, and natural language use.
In the workplace, using common professional idioms can improve clarity, build rapport with colleagues and make your communication sound more fluent and credible.