He bristled at her suggestion that he should teach her how to use the program.
Examples of bristle
bristle
Some contractors still bristle at homeowners who demand deep discounts, however.
From the online.wsj.com
When ordinary citizens understand they are being played for fools, they bristle.
From the washingtonpost.com
Scenes depicting angry mobs and armed revolutionary guards bristle with tension.
From the washingtonpost.com
He is tone deaf to those who might bristle at the idea of medicalizing society.
From the bostonherald.com
All three are crowded with figures, and all seem to bristle with occult meanings.
From the guardian.co.uk
A soft-bristle brush removes makeup and revives dull derma with gentle vibration.
From the bostonherald.com
Bangladeshis in the area understandably bristle at the idea of being fenced in.
From the time.com
But I bet you not many Americans or Brits would bristle at the mention of that.
From the economist.com
Agnes tolerates his presence, yet she seems to bristle at too much human contact.
From the newsday.com
More examples
A stiff fiber (coarse hair or filament); natural or synthetic
Abound: be in a state of movement or action; "The room abounded with screaming children"; "The garden bristled with toddlers"
A stiff hair
Rise up as in fear; "The dog's fur bristled"; "It was a sight to make one's hair uprise!"
Have or be thickly covered with or as if with bristles; "bristling leaves"
React in an offended or angry manner; "He bristled at her suggestion that he should teach her how to use the program"
A bristle is a stiff hair or feather. Also used are synthetic materials such as nylon in items such as brooms and sweepers. Bristles are often used to make brushes for cleaning uses, as they are strongly abrasive; common examples include the toothbrush and toilet brush. ...
A stiff or coarse hair; The hair or straws that make up a brush, broom, or similar item; A humorous misspelling of Bristol, in imitation of the local dialect in the English city of that name; To be on one's guard or raise one's defenses; to react with fear, suspicion, or distance
Bristles are either natural (usually hog hair) or artificial (nylon or polyester) working part of a brush.