Know the ins and outs
The phrase "know the ins and outs" means to have a deep and thorough understanding of something, including all the details, intricacies, and inner workings. It suggests being highly knowledgeable about the various aspects or components of a particular subject or situation. It implies being familiar with both the surface-level aspects as well as the hidden or less obvious elements.
Play Just Saying
You will never be “out of your element” thanks to multiple difficulty levels and phrase libraries provide idiom puzzles for all levels from students to English learners to fluent adult English speakers.
Just Saying is “the real McCoy” of phrase games!