English idioms related to Certainty & Possibility - Definite or Unavoidable

a finalized agreement

used o refer to something that is done immediately and often eagerly

to be absolutely sure that something is true

(of something) to have a very high chance to succeed or happen

something that is sure to happen

to experience the negative consequences or effects of one's past actions or decisions

to be an integral part of a particular situation

to become affected by the outcomes of one's past actions