Exercise – 15

🔹 Rack your brain
🔸 Meaning: Think very hard
✅ He racked his brain to remember the answer.
✅ I racked my brain, but I couldn’t recall his name.

🔹 Think outside the box
🔸 Meaning: Think creatively / differently
✅ To solve this problem, we need to think outside the box.
✅ He came up with an idea by thinking outside the box.

🔹 Cross your mind
🔸 Meaning: Suddenly occur to you
✅ Sometimes it crosses my mind that I should study abroad.
✅ Your name crossed my mind, so I called.

🔹 A no-brainer
🔸 Meaning: Very easy decision
✅ This offer is a no-brainer.
✅ With 90% off, buying it is a no-brainer!

🔹 Lost in thought
🔸 Meaning: Deeply thinking
✅ He was staring out the window, lost in thought.
✅ He was lost in thought with so many questions.

🔹 Put two and two together
🔸 Meaning: Figure something out / draw a conclusion
✅ When he saw her face, he put two and two together.
✅ You didn’t need to explain — I put two and two together.

🔹 A penny for your thoughts
🔸 Meaning: Tell me what you are thinking
✅ You’re so quiet — a penny for your thoughts.
✅ I thought you were thinking something important — a penny for your thoughts.

🔹 Make up your mind
🔸 Meaning: Decide / make a choice
✅ Don’t take too long — make up your mind.
✅ He made up his mind to quit the job.

🔹 Keep an open mind
🔸 Meaning: Be open to new ideas / possibilities
✅ You need to keep an open mind to learn new things.
✅ Everyone has a different perspective — keep an open mind.

🔹 Food for thought
🔸 Meaning: Something worth thinking about
✅ His words gave me food for thought.
✅ This article is real food for thought.