persistent

柯林斯詞典

1. ADJ Something that is persistent continues to exist or happen for a long time; used especially about bad or undesirable states or situations. (壞的或令人不悅的狀態(tài)或情形) 持續(xù)存在的
Her position as national leader has been weakened by persistent fears of another coup attempt. 她國家領導人的地位因爲人們一直擔心再次的政變企圖而被削弱了。
His cough grew more persistent until it never stopped. 他的咳嗽瘉來瘉頻繁，直到咳個不停。
2. ADJ Someone who is persistent continues trying to do something, even though it is difficult or other people are against it. 堅持不懈的; 執(zhí)著的
...a persistent critic of the president. …一個執(zhí)著的批評縂統(tǒng)的人。