Interpretation of the Dream
Seeing a blue knife in a dream indicates that you will receive very happy news in your family life, your health problems will be temporary, you will make moves especially to end unhappy relationships, you will make very auspicious and beautiful initiatives, even if you have problems for a while, you will make much better progress later, disagreements will be eliminated, you will get involved in jobs that Allah has not made halal and you will be involved in sin and shame.
Also seeing a blue knife in a dream indicates that you will experience difficult days full of health problems, your rivals will be defeated and the difficulties will end in a short time, you will become the only man (woman) in your job, you will be upset, the right decisions will be made, even if you experience it, it will be solved in a very short time and without any trouble.
Psychological Perspective
Psychologically seeing a blue knife in a dream indicates that the attention you receive from people of the opposite sex increases day by day. It indicates that he/she will grow, he/she will help him/her with a job that will provide him/her with a huge profit and he/she will make a great effort to share his/her sadness in the near future, his/her troubles will be erased with a stroke of a pen and the issues that he/she has been obsessed with for a long time will soon disappear by themselves and will cease to be a problem, the partnership established with a loved one will be dissolved, the injustice he/she has suffered will be corrected with an apology, he/she will save some money as a precaution against possible problems in a job he/she has started with the means he/she has, some steps will be taken regarding his/her education life and he/she will go through a period of financial difficulties.