English Idioms About “General”
Idiom: Waste breath
Meaning: To speak in a manner which is needless or futile; in discussion or argument to make points which are not appreciated or heeded.
Example: Please don’t waste your breath asking me ridiculous questions.

English Idioms About “Law”
Idiom: One’s word is law
Meaning: The idiom one’s word is law means that what someone says must be obeyed.
Example: There’s no point trying to do things differently. The manager’s word is law around here. Just do what he asks you to do.