Call off:
to cancel something,
to decide to stop something that is already happening
15 Phrasal Verbs with CALL: call up, call out, call around โฆ
Call after โ To give a child the same name as someone else, especially a family member. Call up โ To phone somebody. Call on โ To visit someone. Call off โ To cancel an organised event.
Difference Between OF and OFF! โ MyEnglishTeacher.eu
Difference between OF and OFF OF (preposition) 1.Belong to or relate to someone or something He has a fear of spiders. Jessica is a good friend of Melinda. In college, we studied the works of Emmanuel Kant. 2.Show an amount We need two pounds of apples. There are a lot of students outside.