The schedule isn't set in stone yet.
set in stone
idiomPermanent; certain; firm.
We can still change the date — nothing's set in stone.
Though the treaty appeared set in stone, diplomats worked through the night to alter its most controversial clause before the morning vote.
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all set
Ready, prepared, equipped.
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carved in stone
Unchangeable.
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cast the first stone
To act self-righteously in accusing another person, believing oneself to be blameless.
- 04
game, set, match
An expression indicating finality, announcing that a series of events—usually involving some form of rivalry—has reached a conclusion.
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get blood out of a stone
To do something difficult, frustrating, or pointless.
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grow a set
Synonym of grow a pair.
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jet set
A social class of wealthy people who travel for pleasure.
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kill two birds with one stone
To solve two problems with one single action.