Cách sử dụng
The expression "go to earth/ground" means to hide or to conceal oneself to avoid being found or seen. For example, if someone is trying to avoid a person or situation, they might say "I'm going to ground" or "I need to go to earth." This expression is commonly used in the military or espionage contexts, but it can be used in any situation where someone needs to hide or avoid being detected.