My sorrows show no decrease at any time of the year. O mother! There is a marked increase in them like water (in the river) which reaches high floods level and consequently the persian wheels draw off water at full capacity (i.e. my eyes shed tears profusely).
Note: The verse means that springs sprout up in the valley of sorrows in the region of my heart; and their water collects and forms into a river. Since the water level in the latter is always on the high side and there is danger of the heart getting submerged and put out of action, the eyes have to work, like persian wheels, at top speed to draw off water above the danger point.
سر اشکم رفتہ رفتہ بی توجیحوں شد، تماشا کن
بیا درکشتی چشم، نشین و سیر دریا کن
(Nawab Soofi)
My tears have gradually formed into a river. To enjoy the sight you have only to come and use my eyes as a boat.

Oh mother! sorrows never lessened in my case,
Water in water wheel is full to its edge.