sit still for

sit still for something

 
1. Lit. to remain seated without fidgeting during something. The child could hardly be expected to sit still for the opera. Timmy would not sit still for his haircut.
2. Fig. to remain idle rather than act to prevent something; to endure or tolerate something. I won't sit still for that kind of treatment. she would not sit still for an insult like that.
See also: sit, still