noun – to take something into account to remember something and consider it carefully.
1. an oral or written description of particular events or situations; narrative: an account of the meetings; an account of the trip.
2. an explanatory statement of conduct, as to a superior.
3. a statement of reasons, causes, etc., explaining some event.
Sentence – On no account under no circumstances, never.
Sentence – On no account should anybody fly an aircraft without carrying out pre-flight checks