Cách sử dụng
When someone says "mean business," it means they are serious about what they are doing or saying. It's often used to describe someone who is determined and ready to take action. For example, if a boss says "We need to increase sales or else," they mean business and expect everyone to work harder to achieve that goal. Similarly, if a friend says "I'm going to quit smoking for good this time," they mean business and are committed to making a change. It's a phrase that is used in situations where someone wants to express their determination and seriousness about something.