This indicates persons need to pay attention to their deeds and watch out to repent whenever they do Erroneous. It could really be your previous possibility if you are unaware of it. यक़ीनन (जहन्नुम में) थोहड़ के दरख्तों में से खाना होगा The Surah talks with regard to the inevitable https://www.bacadenk.com/4786/surat-al-waqiah-arab.html