Means: Revealing a secret Grammar: verb (let) + article (the) + noun (cat) + preposition (out of) + article (the) + noun (bag).
Means: Something is expensive Grammar: verb (cost) + article (an) + noun (arm) + conjunction (and) + article (an) + noun (leg).
Means: Something is very easy Grammar: noun (piece) + preposition (of) + noun (cake).
Means: It's your turn to make a decision Grammar: article (the) + noun (ball) + verb (is) + preposition (in) + possessive pronoun (your) + noun (court).
Means: Save money for unexpected expenses Grammar: verb (save) + preposition (for) + article (a) + adjective (rainy) + noun (day).
By delving into idiomatic expressions and their grammar, you gain deeper insights into the English language.