1. 顽强的，坚持的，坚韧不拔的，坚韧的
2. 固执的，顽固的 ，执拗的
3. 黏着力强的，黏（性）的
4. 不松手的，抓牢不放的
5. 牢靠的
6. 黏（性）的

1. good at remembering;

   "a retentive mind"
   "tenacious memory"
   

2. stubbornly unyielding;

   "dogged persistence"
   "dour determination"
   "the most vocal and pertinacious of all the critics"
   "a mind not gifted to discover truth but tenacious to hold it"
   "men tenacious of opinion"
   

3. sticking together;

   "two coherent sheets"
   "tenacious burrs"
   

1.坚韧不拔的;坚毅的;坚持不懈的
If you aretenacious, you are very determined and do not give up easily.

e.g. She is verytenacious and will work hard and long to achieve objectives...
她是个锲而不舍的人，为了达到目标愿意长期苦干。
e.g. He is regarded at the BBC as atenacious and persistent interviewer.
在英国广播公司，他被看成一个不屈不挠、坚定执著的采访者。

2.(观点、信念)根深蒂固的，深入人心的
If you describe something such as an idea or belief astenacious, you mean that it has a strong influence on people and is difficult to change or remove.

e.g. ...a remarkablytenacious belief that was to dominate future theories of military strategy.
会左右未来军事战略理论的一个特别根深蒂固的信念

1. 韧性的：temporary support 临时支架 |tenacious 韧性的 | tenacity 韧性

2.

2. 固执的：loyal 忠诚的 |tenacious 固执的 | strong-willed,stubborn 顽固的

3. tenacious

3. 顽固的：untenable 不可防守的, |tenacious 顽固的, | tendentious 有倾向的,

4. tenacious在线翻译

4. 粘滞的;强韧的：templet 样板 |tenacious 粘滞的;强韧的 | tenacity 韧性,韧度