You looked high and low till your iron shoes were worn out but still to no avail. Then you chanced upon it without ever looking.
你上上下下打量了一番，直到你的铁鞋穿破了，可还是无济于事。然后你就在不经意间发现了它。
你上上下下打量了一番，直到你的铁鞋穿破了，可还是无济于事。然后你就在不经意间发现了它。