EVANESCENT: lasting for only a short time,then disappearing quickly and being forgotten
DISAPPEAR: if people or things disappear,they go somewhere where they cannot be seen or found
1.Transparent: If a substance or object is transparent, you can see through it very clearly
Penetrate: to move into or through something
2.Onerous: difficult to do or needing a lot of effort
Struggle: to experience difficulty and make a very great effort in order to do something
3.Feckless:weak in character and lacking determination
Succeed:If you succeed,you achieve something that you have been aiming for,and if a plan or piece of work succeeds,it has the results that you wanted
4.Illusory:an idea or belief that is not true
Exceed:to be greater than a number or amount,or to go past an allowed limit
5.Pliant: Pliant people are easily influenced or controlled by other people
Yield:to supply or produce something positive such as a profit,an amount of food or information
2.Onerous - Struggle