observation
n.观察
observe
vt.看(watch)；观察
He observes keenly but says little.
他观察敏锐，但话不多。
perceive
vt.察觉到，看见(discern, see)
The world we perceived is only a small part of the real world.
我们所感知的世界只是现实世界的一小部分。
perceptive
adj感觉敏锐的，观察入微的(discerning, penetrating)
A perceptive scholar questioned the professor's theory.
有洞察力的学者质疑教授的理论。
perspective
n.选景(view, outlook)
pierce
vt.洞察
She couldn't pierce his thoughts.
她无法读懂他的想法。
scrutinize
vt.细察(examine, inspect)
The lawyer had scrutinized all the documents related to this case.
律师仔细检查了与此案有关的所有文件。
fortitude
n.坚忍，刚毅(endurance, courage)
The soldiers were given a medal for their fortitude during the battle.
士兵们因在战斗中的坚韧不拔而授予奖章。
indomitable
adj.不屈不挠的(invincible, relentless)
inflexible
adj.坚定的(rigid, unbending)
insist
vt.主张(claim)；坚持说(adhere)
She insisted that she never wanted to play hero in the battle.
她坚持不想在战斗中扮演英雄。
irreconcilable
adj.不能妥协的(unconformable, incompatible)
maintain
vt.坚持(keep, sustain, persist, insist)
No matter how hard we tried to persuade him, he maintained his wrong idea.
不管我们怎么努力说服他，他还是坚持自己错误的想法。