a promise / an appointment or social engagement (the meeting itself) / a convention; something that is conventional / something that is preordained

a thing, occasion, circumstances, detail, particular / act of (word used for the nominalization of verbs, adjectives, or phrases)

execution, fulfillment, implementation

carry out, execute, fulfill, keep

to promise; to make a promise / make an appointment or engagement / be predestined, wait

thing / matter / fact

安息香: benzoin

肛門括約筋: anal sphincter

public promise

promise publicly