Used without an object (e.g., "The car broke down ").

Requires a direct object (e.g., "She called off the meeting").

An is an established expression where the meaning cannot be deduced from the individual words.

Verbs And Idioms — Phrasal

Used without an object (e.g., "The car broke down ").

Requires a direct object (e.g., "She called off the meeting"). Phrasal Verbs and Idioms

An is an established expression where the meaning cannot be deduced from the individual words. Used without an object (e