Trip: to catch your foot on something and fall or almost fall. Tropezar. E.g. she tripped and fell. Someone will trip over that cable.
Perch (on something): to be placed on the top or the edge of something. E.g. the hotel perched precariously /prɪˈkeəriəsli/ on a steep hillside.
Height of something: an extreme example of a particular quality. E.g. Height of luxury.
Net curtain: a very thin curtain that you hang at a window, which allows light to enter but stops people outside from being able to see inside. Visillo.
Flap: to move or to make something move up and down or from side to side, often making a noise. E.g. the sails flapped in the breeze.