Cách sử dụng
The word 'mumble' means to speak quietly and unclearly. It can be used when someone is talking softly or not saying their words properly, making it difficult to understand what they are saying. For example, if someone is speaking with their mouth full, they may mumble and it could be hard to understand what they are saying. The word can also be used to describe the way someone speaks when they are nervous or embarrassed. It is important to speak clearly and not mumble when communicating with others.