عجیب رفتار کردن
If you do not know what has got into someone, you do not understand why they are behaving strangely:
I can't think what's got into him. He doesn't usually get so angry.
من نمی دونم چش شده. معمولا خیلی عصبانی نمیشه
من نمی دونم چش شده. معمولا خیلی عصبانی نمیشه