Как по Английски будет mentalmente

adverb

In a manner relating to the mind.

Примеры использования:

Soldiers become physically and mentally exhausted

adverb

In a way that shows someone wants or intends to do bad things, or wants or intends bad things to happen to other people

Примеры использования:

He stood in the shadows, laughing evil-mindedly., she accused them of evil-mindedly deceiving her.

idiom

A machine or other object can be said to have a mind of its own if it seems to be controlling the way it behaves or moves, independently of the person using it

Примеры использования:

This shopping trolley has a mind of its own.