tenacious

1. ADJ If you are tenacious, you are very determined and do not give up easily. 执著的

He is regarded as a tenacious and persistent interviewer. 他被认为是个执著坚毅的采访者。

2. tenaciouslyADV 执著地

In spite of his illness, he clung tenaciously to his job. 尽管有病，他仍顽强地坚持工作。