Something is tall if the top of it is much higher up than the top of similar things. The person wearing the scarf on the left of the picture is taller than the other person in the picture. Giraffes and basketball players are tall. The opposite of tall is short.
An animal is tame if it is not afraid of people, and is friendly to them. Tame animals generally won't try to hurt people or run away. The opposite of tame is wild, and a similar word to tame is domesticated.
Someone is tanned if they have been in the sun a lot and their skin has a suntan. Being tanned makes your skin browner and darker than it would be if you haven't been tanned by the sun.
Something made from metal is tarnished if it has a layer of a dull, colored substance on it instead of being bright, shiny and reflective. Tarnish is a different color on different kinds of metal. silver tarnish is black and copper tarnish is green. Some metals do not tarnish, instead they rust, which can eat away all of the metal over time instead of just leaving a thin coating on the surface.
Something is temporary if it will only last for a short time. How long a "short time" is depends on the nature of the temporary effect. Some temporary effects may only last a few seconds, some temporary things may last a few years. The temporary toilets in the picture are there while the permanent toilets are being repaired.
Thai describes anything related to Thailand, a person from Thailand or the language spoken in Thailand. Not to be confused with thigh.