Cách sử dụng
The word 'blackguard' is used to describe someone who is considered to be dishonorable or unprincipled. It is usually used to refer to someone who is dishonest or behaves badly towards others. It can be used in informal or formal situations, depending on the context. However, it is considered a harsh word and should be used with caution. It is always important to choose your words carefully when communicating with others, so as not to offend or hurt their feelings.