Vocabulary: Overall Vocabulary Mastery & Precision (C2) - Lesson 2: Effortless, Accurate & Stylistically Sophisticated Use of Low-Frequency Words, Complex Collocations, Obscure Idioms, & Figurative Language

Lesson 2: C2 Mastery
The Lexicon 🖋️
Precision & Nuance
ការប្រើប្រាស់ពាក្យកម្រិតខ្ពស់
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RARE
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LINK
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STYLE
I. Sophisticated Vocabulary
Ubiquitous
Adjective • /juːˈbɪkwɪtəs/
Present, appearing, or found everywhere. ដែលមាននៅគ្រប់ទីកន្លែង / ពេញនិយម
"Smartphones have become ubiquitous in modern society."
Ephemeral
Adjective • /ɪˈfɛmərəl/
Lasting for a very short time. ដែលមិនស្ថិតស្ថេរ / មានរយៈពេលខ្លី
"Fashions are often ephemeral, changing with every season."
Obfuscate
Verb • /ˈɒbfʌskeɪt/
To make something unclear or difficult to understand. ធ្វើឱ្យច្របូកច្របល់ / បិទបាំងការពិត
"Politicians often use complicated words to obfuscate the truth."
II. Complex Collocations
Diametrically opposed
Adjective Phrase
Completely opposite. ផ្ទុយគ្នាទាំងស្រុង
"Our views on politics are diametrically opposed."
Mitigating circumstances
Noun Phrase (Legal/Formal)
Factors that make a mistake or crime seem less serious. ស្ថានទម្ងន់ទោស (ហេតុផលសម្រាលទោស)
"The judge reduced the sentence due to mitigating circumstances."
III. Idioms & Figurative
Play devil's advocate
Idiom
To argue against an idea just to test its strength (even if you agree with it). តតាំងមតិដើម្បីពិចារណា (ទោះបីជាឯកភាពក៏ដោយ)
"I agree with your plan, but let me play devil's advocate to see if we missed anything."
Sit on the fence
Idiom
To delay making a decision; not taking a side. នៅកណ្តាល / មិនទាន់សម្រេចចិត្ត
"You can't sit on the fence forever; you need to choose a side."

Proficiency Check 📜

Select the most precise option.

"The beauty of the cherry blossom is _____; it only lasts a week."
Which phrase fits? "Their opinions are _____."
If you "play devil's advocate", you are:

Mission 📝

The Sophisticated Speaker

Upgrade Your Speech

In your next English conversation or writing practice, replace a simple word with a C2 word.

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