dogged

a.顽强的，固执的

doe, doer, does, doff, dog, dog days, dog-biscuit, dog-collar, dog-eared, dog-leg, dog-like, dog-paddle (also doggie-paddle), dog-tired, dog-tooth, dog-trot, dog-watch, dogcart, doge, dogfight, dogfish, doggedly, doggedness, doggerel, doggie (also doggy), doggo, doggone, doggone (also doggoned), doghouse, dogie, dogma, dogmatic, dogmatically, dogmatism, dogmatist, dogmatize, dogmatise, dogrose, dogsbody, dogwood, doh (also do), doily (also doyley, doyly),