Bedeutung von “maintain” — Learner’s Dictionary

maintain

verb [ T ] us uk /meɪnˈteɪn/
Schools will be inspected regularly to maintain standards.They only want to maintain the status quo.It is important to maintain the temperature of the water.She was very good at maintaining discipline in the classroom.He maintains good relations with his neighbours.
NOT CHANGE

B2 to make a situation or activity continue in the same way:

The army has been brought in to maintain order in the region.
CONDITION

B2 to keep a building or area in good condition:

A large house is very expensive to maintain.
SPEAK TRUTH formal

to say that you are certain something is true:

[ + (that) ] He has always maintained that he is innocent.

(Definition von “maintain” aus dem Cambridge Learner's Dictionary © Cambridge University Press)