I want none of your back chat.

To cry wolf

To be up and doing

He was trying <u><em>to put across</em></u> his ideas to his audience.

Leave one to sink or swim

He is <u><em>out and out</em></u> a reactionary.

I am sure they will fight <u><em>tooth and nail</em></u> for their rights.

By the rule of thumb

Caesar was <u><em>done to death</em></u> by the conspirators.