# Time & Frequency Expert

https://hienglishquiz.com/vocabulary/idioms-expressions-c2-time-and-frequency-vocab

- CEFR: C2 (Proficient)
- Theme: Idioms & Expressions
- Words: 22
- Premium: yes
- Locked: yes — sign in and upgrade to Premium to see the word list

Time and frequency idioms for more literary and formal writing, with phrases like time immemorial, a race against time and a bygone era.

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## Related

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- Section guide: https://hienglishquiz.com/vocabulary/llms.txt