ersist:后接in 用于褒义指坚持继续做某事，有时用于贬义，指不听劝告，顽固坚持。

persevere:后接in或on 含褒义，强调坚持不懈的努力。

eg：Even though everybody told him he was wrong, he persisted in his opinion.If you persevere with your search for a job, you are sure to find it soon.。