单词etched-in-stone
The tumult of events can transform the traits and qualities that seemed, even to great experts, etched in stone.
重大事件高潮可以转变品质和特定，而在过去，即使对伟大的专家而言，这些都是蚀刻在石头上的。
Classroom biases are not etched in stone, and training can eliminate these patterns.
教室里的偏见没有被蚀刻在石头（（里程）碑）上，训练可以消除这些模式。
It is part of a series he did between 1999 and 2005 contemplating Tang poetry, in which the words are etched in stone and printed on paper.
在这件作品中，他先将诗句刻成石碑，然后再印到纸上。