स्नातुकामा ta take a dip, मीनवञ्जुलसेविताम् full of reeds and fishes, सरितं वापि or rivers, सम्प्राप्ता has reached, हासकामा to make fun, क्वचित् some where, निलीना वा might have hidden, स्यात् it may be so.

Maybe she has gone to take a dip in the river full of reeds and fishes Or has hidden somewhere for the sake of fun.