مو از سر کسی کم کردن، کنایه از صدمه زدن به کسیto hurt someoneصدمه زدن به کسیIf he harms a hair on her head, he will face serious consequences. I will not allow anyone to harm a hair on your head. They better not touch a hair on his head if they know what's good for them.منابع• https://dictionary.cambridge.org/dictionary/english/harm-a-hair-on-head+ عکس و لینک
