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[00:12.71]exacting adj.费力的 严格的(demanding rigorous)
[00:17.52]Jane is very exacting in her work
[00:21.55]ascetic adj,苦行的(austere rigorous strict
[00:25.74]grim adj.冷酷的(cruel merciless)
[00:29.63]Each day, the chance for peace became more grim
[00:34.96]relentless adj,无情的(merciless ruthless)
[00:39.03]The relentless bully beat Jimmy up
[00:42.95]ruthless adj.无情的 冷酷的(merciless pitiless)
[00:48.01]The ruthless tyrant caused the deaths of millions of people
[00:54.07]rigid adj.严格的 僵化的(strict fixed)
[00:58.89]Their rigid notion of true womanhood had been restricting women's life for centuries
[01:06.79]stern adj.严格的 僵化的(harsh hard strict)
[01:12.06]The museum guard gave us a stern warning not to touch the paintings
[01:18.86]stringent adj.严格的 迫切的(strict rigid)
[01:25.10]Our company has a stringent policy against smoking
[01:31.11]scrupulous adj.严谨的 讲究的(prudent meticulous)
[01:36.71]The secretary is scrupulous about her dress
[01:42.23]drastic adj.严厉的(severe)
[01:46.88]The  principal felt that the cheater's punishment should be drastic.
[01:52.92]The emergency called for drastic measure
[01:57.92]harsh adj.严厉的(severe)
[02:01.59]The judge gave the criminal a harsh sentence
[02:06.75]rigor n.严格 严厉(rigidity hardship)
[02:12.16]Those homeless children had to face the rigors of life by themselves
[02:18.40]rigorous adj.严厉的 严峻的(strict rigid)
[02:23.70]The trainings soldiers received were rigorous
[02:29.19]serious adj.严肃的
[02:33.40]Serious arts are becoming more and more popular among consideration
[02:39.32]severe adj.严重的 严肃的(grave grievous)
[02:44.36]austerity n.严峻的
[02:48.29]War was followed by many years of austerity
[02:53.08]ordeal n.严酷的考验(difficult experience trial)