He gave me authority to fire them.

The men have been shorn of their power.

He delegated his authority to his competent assistant.

The final decision rests with the president.

The widespread application of administrative guidance is considered to be a uniquely Japanese practice in which bureaucrats exert authority, without any legal backing, telling the private sector what to do and what not to do.

The decision belongs to him.

Having reached the rank of prime minister, and with the enthusiastic support of the masses, it seems he is able to wield presidential powers.

Who are you to tell me to get out?

I don't have the authority to give you the green light.