Some things cannot be undone.

(US, idiomatic, humorous) A catch phrase for shifting attention away from a problem or serious social issue by humorously laying responsibility on Canada.

A Canadian statutory holiday celebrating the country's creation in 1867, celebrated each year on July 1st.

A large goose, Branta canadensis.

(idiomatic) Be unable to avoid a situation, or stop something from happening.

(nonstandard) Cannot have.

An abjad of twenty-plus acrophonic glyphs, found in Levantine texts of the Late Bronze Age (from ca. the 15th century B.C.E.), by convention taken to last until a cut-off date of 1050 B.C.E., after which it is called Phoenician.

It is impossible to change people's habits, traits, or mindset.

(idiomatic, figuratively) It is not possible to make reliable judgments about things or people by considering external appearances alone.

(biblical) The site where Jesus miraculously turned water into wine.