fixed and unchangeable
固定されていて変更できない (kotei sarete ite henkou dekinai)
"The script isn’t cast in stone; we can make changes."
"スクリプトはcast in stoneではない; 変更を加えることができます。" (Sukuriputo wa **cast in stone** de wa nai; henkou o kuwaeru koto ga dekimasu.)
to achieve the highest position or level in something
a job with no opportunity for advancement or improvement
to have a very bad headache
to start sweating due to fear or anxiety
to plan a new direction or strategy
used when expressing a sincere or frank opinion