If you wanted to say something was far away, many of us would have used the word for ‘far’ in Spanish, “LEJOS”. “It’s very far away” could
A lot of expressions are of maritime origin. Many in the past have attributed this expression “Estar a dos velas” could mean “being with two sails”, the association deriving from being without resources to travel, leading to the idea of having no money.
Native English speakers use many idioms and idiomatic expressions every day, perhaps even without realising it, as these expressions are so common in our everyday speech, the meaning is understood immediately by other native speakers.