strongly held
adjective uk/ˌstrɒŋ.li ˈheld/ us/ˌstrɑːŋ.li ˈheld/
（对信仰或信念等）虔诚的，强烈持有的
used for describing beliefs or ideas that people feel very strongly about
Both sides have strongly held opinions on this difficult issue. 对这一难以解决的问题，双方都持有强烈的观点。
strongly held religious beliefs 虔诚的宗教信仰