Cách sử dụng
The expression "go through the mill" means to go through a difficult experience that tests your skills, knowledge, or endurance. It could be used to describe someone who has faced a lot of challenges and hardships in their life, or someone who has been through a rigorous training or learning process. This expression is often used in a business or work-related context to describe employees who have had to overcome many obstacles or have been through a demanding training program.