bounds

Từ điển Oxford Advanced Learner 8th

bounds [bounds] BrE [baʊndz] NAmE [baʊndz] noun plural
the accepted or furthest limits of sth
•beyond/outside/within the bounds of decency
•Public spending must be kept within reasonable bounds.
•It was not beyond the bounds of possibility that they would meet again one day.
•His enthusiasm knew no bounds (= was very great).
more at by/in leaps and bounds at ↑leap _n.
Idiom: ↑out of bounds

Example Bank:
•I am afraid your behaviour was beyond the bounds of decency.