be left; of persons, questions, problems, results, evidence, etc.; "There remains the question of who pulled the trigger"; "Carter remains the only President in recent history under whose Presidency the U.S. did not fight a war"
move to and fro; "The shy student lingered in the corner"
be undecided about something; waver between conflicting positions or courses of action; "He oscillates between accepting the new position and retirement"