Struggle v/s Luck

Struggle implies that to give full concentration to achieve that things that we wants very much in our life.Struggle means to use our force (or) to obey hardwork by the core of our heart to attain that things.Luck implies that it is God gifted.It means that God knows very well which is in our luck (or) not.God knows very well what will be our future (or) not.Luck is usually surprising . we got best result of a thing 
To attain that things that we can't thought in our life,to attain best result,then it is our good luck.
When we say that we struggle alot to achieve something,from the core of our heart.When we struggle  with the passage of time,and we become passed achieve that things,that is become our good luck,if we can't achieve,then it is our bad luck.
If a child wants to become a great teacher,and try his level best to prove himself in entry test.If his entrance test not passed then it will become his bad luck.
struggle is in his own hands but to make his luck is not in his own hands.
AS GOD SAYS; 
"trust on luck ,as you trust on your death"
We can't be disappointed on the decision of our God.Because our God make our life more better than we like to make our life.
We can't be disappointed on the decision of our God ,because our God gives us better profession,better field, from where we got more advantage and make our future more bright.
It is also true that Trust on God (or) to worship God can change our life.