Yusuf Ali
"Or the water of the garden will run off underground so that thou wilt never be able to find it."

Sahih International
Or its water will become sunken [into the earth], so you would never be able to seek it."

Shakir
Or its waters should sink down into the ground so that you are unable to find it.

Pickthall
Or some morning the water thereof will be lost in the earth so that thou canst not make search for it.

محمد جالندھری
یا اس (کی نہر) کا پانی گہرا ہوجائے تو پھر تم اسے نہ لاسکو