persevere /ˌpə:siˈviə/ vi.坚持，不屈不挠（in, at, with）：persevere in academic study坚持进行学术研究；persevere to an end坚持到底His family persevered with his treatment.他的家人坚持对他进行治疗。Although he is in poor health, he still perseveres in his studies.尽管他身体不好, 他仍孜孜不倦地学习。