/pəˈsɪstənt ||; pɚˈsɪstənt/adj1 determined to continue doing sth even though people say that you are wrong or that you cannot do it 执着的；坚持不懈的: Some salesmen can be very persistent. 有些推销员总是纠缠不休。
2 lasting for a long time or happening often 持续的；持久的；经常发生的:
a persistent cough 久咳 ➔persistently adv