cool-headed; level-headed; hard-headed
after staying up all night
thoroughly; through and through
accomplishment; realization; attainment; penetration; pervasion
obstinate; stubborn; inflexible
penetration; absolutely clear; not dirty; clearness
carrying out one's original intention
all nighter; sleepless night
stubborn; obstinate; sticking to one's views or decisions
staying up all night three nights in a row; triple all-nighter
staying up all night two nights in a row; double all-nighter
playing mahjong all night
staunch (steadfast, single-hearted) in one's devotion to his master (lord)
clearness (e.g. sky); transparency
stubborn and short-tempered
(logical) consistency; coherence; unchanging from beginning to end
rustic; boorish; uncouth; adamantly sticking to being boorish
clear; lucid; penetrating