Cách sử dụng
The expression "have teeth" means that something has the power or ability to be effective or impactful. It can be used in a variety of contexts, such as describing a law or rule that is enforceable and carries consequences if broken, or a threat or warning that is credible and likely to be carried out. For example, "This new law against littering really has teeth - if you're caught, you'll face a hefty fine." It can also be used to describe a proposal or plan that is likely to be successful or make a real difference. For example, "This initiative to reduce plastic waste has real teeth - it's backed by major corporations and has the support of local governments."