tenacious

形容词 tenacious:

1. good at remembering
   同义词：retentive, recollective, long
2. stubbornly unyielding
   同义词：dogged, dour, pertinacious, unyielding
3. sticking together
   同义词：coherent

1. He hold on to my arm with a tenacious grip.
   他紧紧抓住我的手臂不放。
2. The eagle seized its prey in a tenacious grip.
   鹰将捕获物紧紧抓住。