Cách sử dụng
The expression "eat away at" means to slowly and steadily erode something, either physically or mentally. For example, you might say that rust is eating away at the metal on an old car, or that worry is eating away at your peace of mind. The phrase can be used in a variety of contexts, from describing the gradual decay of an object to discussing the effects of stress or negative emotions on a person's well-being. It's a useful expression for describing the ongoing, often unnoticed process of deterioration over time.