maintain
US /menˈten/
・UK /meɪn'teɪn/
A2
verb
- To keep saying something a certain way
- To keep (machine) working by checking, repairing
- To keep, exist or continue without changing
other
- To continue to have; to keep in existence, or not allow to become less.
- To keep something in good condition by checking or repairing it regularly.
- To state something strongly as your belief.