study engeering , please come in !help me

Finish civil engeering course ,I have Future?
Surely. But your future is brighter in Macus than in HK in the coming 5 years. In HK there are too few large scale civil projects.

Who can solve my problem ?
Not sure what is your problem. But typically you are the one responsible for your own life.

Have more opporturnities for us new and future.
Try discuss with your lecturers and they usually are willing to share their views with you.

Also, me should how to perpare to face competition in future .
Who should not? You know any other schoolmates and other graduates who need not to face competition in future?

Please help me to conquer my tough problem.
Take it easy. What you are worrying are worried by all other graduates. Take to more seniors and you will feel better.