Cách sử dụng
'Lethargy' is a noun that describes a feeling of being very tired and not wanting to do anything. You might feel lethargic after staying up too late or if you are sick. It can also mean a lack of energy or enthusiasm in general. For example, if you are feeling lethargic, you might not feel like going out with your friends or doing something fun. You can use the word 'lethargy' when you want to talk about feeling tired, lazy, or lacking motivation.