71:2
قَالَ يَـٰقَوْمِ إِنِّى لَكُمْ نَذِيرٌۭ مُّبِينٌ ٢
Saheeh International
He said, "O my people, indeed I am to you a clear warner,
Tafsir of "Ibn Kathir" (English)
"Warn your people before there comes to them a painful torment."He said:"O my people! Verily, I am a plain Warner to you."meaning, clarity of the warning, making the matter apparent and clear