Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
quran:18:33 –

Each of the two gardens produced its fruit and did not fall short thereof in anything. And We caused to gush forth within them a river.  

Each of the two gardens (kiltā, ‘each ˹of the two˺’ is a singular ˹noun˺ that indicates a dual ˹number˺; and ˹the entire clause˺ is the subject) yielded (ātat is the predicate thereof) its produce, its fruit, without stinting, diminishing, anything thereof. And We caused a stream to gush forth therein, to run through them.
القرآن:١٨:٣٣ –

كِلْتَا الْجَنَّتَيْنِ آتَتْ أُكُلَهَا وَلَمْ تَظْلِمْ مِنْهُ شَيْئًا ۚ وَفَجَّرْنَا خِلَالَهُمَا نَهَرًا  

{كلتا الجنتين} كلتا مفرد يدل على التثنية مبتدأ {آتت} خبره {أكلها} ثمرها {ولم تظلم} تنقص {منه شيئا} {وفجرنا} أي شقتنا {خلالهما نهرا} يجري بينهما.