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thoroughness

staying up all night

thorough

to penetrate

cool-headed

inconsistent

obstinate

stubborn person

staying up all night three nights in a row

staying up all night two nights in a row

stubbornly honest

seeing clearly

obstinacy of old age

after staying up all night

accomplishment

to stay up all night

rustic

all-nighter

staunch (steadfast, single-hearted) in one's devotion to his master (lord)

thorough investigation

making (something) known to everyone

stubborn and short-tempered

do-or-die resistance

stubborn

playing mahjong all night

all-night karaoke

attain divine enlightenment

carrying out one's original intention

clear

do your best

(logical) consistency

armor piercing ammunition

thoroughly

to (be able to) read between the lines

to (be able to) read between the lines

transparency

clearness (e.g. sky)

all night

to have a deep grudge