persistent

形容词

1. 1

   持续的、不断的、反复出现的

   She went to the doctor about a persistent cough.

   她因为久咳不愈去看了医生。

2. 2

   坚持不懈的、执著的

   Only the most persistent applicants eventually got an interview.

   只有最坚持不懈的应征者最后才拿到面试机会。

3. 3

   纠缠不休的、缠人的、固执的多含贬义

   The salesman was so persistent that I finally hung up.

   那个业务员一直纠缠不休，我最后直接把电话挂了。

4. 4

   残留的、持久的多用于科学领域

   These persistent chemicals stay in the soil for decades.

   这些残留性化学物质会在土壤中留存数十年。