From Longman Dictionary of Contemporary Englishstretch (somebody’s) patience/credulitystretch (somebody’s) patience/credulityBELIEVE#ACCEPT#to be almost beyond the limits of what someone can accept or believe The kids stretch my patience to the limit. → stretch
Examples from the Corpus
stretch (somebody’s) patience/credulity• I would be stretching the patience of my audience if I commented on them.• It may stretch credulity to the point that signs of real abuse are overlooked. 