Wash the strawberries carefully and cut half of them into slices.
Squeeze the lemon, place the slices of the strawberries in a large bowl together with the lemon juice and 2 tbsp of sugar. Leave it there for a while until it looks like a syrup.
Melt the other 2 tbsp of sugar in the water.
Take out a container, a large glass or a bowl or a small tray. Dip the Lago Ladyfingers in the water and put them at the bottom of the container. Spread half of the whipped cream, then dip a few more ladyfingers in the water and add another layer with it. Add another layer of whipped cream, then alternate one layer of strawberries, to one of whipped cream, to one of ladyfingers and top it with the rest of the whipped cream. As a decoration, you can use the syrup on top. Put the semifreddo in the fridge and leave it there for at least 4 hours. Serve it cool.