to try and hide what you have done, because you do not want other people to find out about it :
He had attempted to cover his tracks by making her death appear like suicide.
to try and hide what you have done, because you do not want other people to find out about it :
He had attempted to cover his tracks by making her death appear like suicide.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005