And what will make you know what the night of Al-Qadr (Decree) is?
Arabic
وما أدراك ما ليلة القدر
Shakir
And what will make you comprehend what the grand night
Arabic, with marks
وَمَا أَدْرَاكَ مَا لَيْلَةُ الْقَدْرِ
Hilali & Muhsin Khan
The night of Al-Qadr (Decree) is better than a thousand months (i.e. worshipping Allah in that night is better than worshipping Him a thousand months, i.e. 83 years and 4 months).
Arabic
ليلة القدر خير من ألف شهر
Shakir
The grand night is better than a thousand months.
Arabic, with marks
لَيْلَةُ الْقَدْرِ خَيْرٌ مِّنْ أَلْفِ شَهْرٍ
Hilali & Muhsin Khan
Therein descend the angels and the Ruh [Jibril (Gabril)] by Allah's Permission with all Decrees,
Arabic
تنزل الملائكة والروح فيها بإذن ربهم من كل أمر
Shakir
The angels and Jibreel descend in it by the permission of their Lord for every affair,