Lit. “a banana tree” is a young person, usually a teenager or a 20-something, using their parents’ money to impress his peers. Such a guy buys expensive stuff for the others to see it but the money is not earned by himself. It his handed by ma and pa who possibly substitute a real care or time with it.
Lit. “to put a stick into the spokes”. To obstruct or prevent execution of a certain plan. Often by means of a treacherous action. As demonstrated by the famous Bike Fall Meme. But with a different person handling the stick.
Lit. “the fringes”, or more detailed, “kresy wschodnie” is a nostalgic term for the eastern areas of the Second Polish Republic which during after World War II were taken over by Soviet Union and now belong to Ukraine, Belarus and Lithuania.
Lit. “a spleepyhead” is an agent embedded in an organisation who is inactive and waiting for a task when the time comes.
Lit. “to walk on a belt” is meant to say that a person is highly dependent on another one and has to follow his/her orders, cannot take any independent decisions.
