who has not attained maturity of understanding इन हिंदी

who: कौन जिसने जो विश्व

not: न कि मत न नही नहीं

maturity: पक्कापन परिपक्वता

maturity of understanding: समझ का परिपक्व

of: स् का की पर बाबत

understanding: ज्ञान तालमेल

who are we?	who are you	who are you?
who cares	who goes there?	who has undertaken service under the government
who in the world	who is he?	who is not ordinarily resident

अंग्रेज़ी→नहीं। नहीं।→अंग्रेज़ी