頑 - stubborn, foolish, firmly

to persevere; to persist; to keep at it; to hang on; to hold out; to do one's best

stubborn; dogged; persistent; tenacious

do your best; go for it; hang in there; keep at it

obstinate; stubborn; mulish; die-hard; bigoted

tenacity; endurance

stubborn; obstinate; pigheaded

solid; firm; stout; burly; strong; sturdy

enstatite

robust; fit and healthy; strong; sturdy

distinction between right and wrong

stubborn and mean; obstinate and bigoted

bigoted; obstinate; stubborn; pigheaded