The idiom "give the green light" means to give permission or approval for something to happen. It comes from the idea of a traffic light where green means go and red means stop. So, when someone gives the green light, it means they are signaling that it is okay to proceed with a plan or idea.
For example, if a boss says to an employee "I give you the green light to start working on the new project," it means the boss is giving permission for the employee to begin working on the project. Or if a parent says to their child "I'll give you the green light to go to the party if you finish your homework," it means the parent is giving permission for the child to attend the party if they complete their homework first.
Overall, "give the green light" is a common slang phrase used in everyday conversation to indicate approval or permission for something to happen.
• The government has given the green light for the construction of a new highway.
• The CEO gave the green light for the company to invest in renewable energy sources.
• The board of directors gave the green light to merge with another company.
• My boss gave me the green light to take a break after finishing my work.
• The doctor gave me the green light to start exercising after my knee surgery.
• The president hesitated before giving the green light to launch a military operation.