お約束(やくそく)promise, agreement, arrangement, one's word, contract, pact, appointment, engagement, date, something expected or predictable (e.g. running gag), typical or clichéd development (in a story), something considered obligatory or guaranteed (in a certain situation)

Définition du dictionnaire

Nom, Verbe suru, Verbe transitif
1. 1.
  EN promise, agreement, arrangement, one's word, contract, pact, appointment, engagement, date
  Langage honorifique ou respectueux (sonkeigo), Langage humble (kenjougo),
  Voir aussi :
  約束
Nom, Adjectif en -no
1. 2.
  EN something expected or predictable (e.g. running gag), typical or clichéd development (in a story), something considered obligatory or guaranteed (in a certain situation)