"What Was Someone Thinking" Idiom: Meaning and Usage in Sentences

Greetings, language aficionados! Idioms, with their figurative language and hidden meanings, often pose a challenge for English learners. However, they also add color and depth to our conversations. Today, we embark on a journey to decipher the 'What Was Someone Thinking' idiom, a phrase that might leave you scratching your head at first glance.