The idiom “a turncoat” means:

(A) Wet coat
(B) Poor man
(C) Man of principle
(D) Traitor

🧠 Explanation:

The idiom “a turncoat” means a traitor, someone who switches sides. Idioms add depth to English. In Pakistan, they’re used in conversations or writing to describe betrayal vividly, helping in debates, stories, or exams to express ideas with impact.