to stay up late or all night

a state or period of prolonged suffering, hardship, or torture

(of pain or hardship) hard to bear

to endure years of suffering or hardship

to decoct medicinal herbs

state of prolonged mental or physical suffering, agony, or torture

to survive or withstand a difficult or painful period of time

to stay up through the night

to endure through a long, difficult period and finally reach a state of success or relief from hardship

to cook or prepare something, usually liquid or medicinal ingredients, by simmering or boiling over a long period.

the reward of one's efforts or the light at the end of the tunnel after a period of hardship

attaining a position of authority, status, or independence after a long period of endurance as a subordinate.

grain that has been puffed or popped, such as wheat or corn

to simmer to a paste