努力和顽强英文怎么说？

努力 striving
顽强 strong

努力 striving
顽强 strong

努力
n. great effort, intension, exertion
v. strive, try hard

顽强
indomitable, staunch, tenacious, hard to defeat

effort : ['efət]

n. 努力,努力的成果

obstinateness :

固执
顽固
执拗
顽强

endeavor

顽强：pertinacity