know your onions

The phrase "know your onions" means to have knowledge or expertise in a particular subject, area, or skill. It suggests being well-informed about a topic and having a deep understanding of its intricacies.

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Just Saying will “sweep you off your feet” with challenges to complete English language idioms, sayings, and other colloquial phrases.

Includes English phrases for both younger and older players. The full version features over 3,000 English idioms.