Daily Chinese Idiom Guessing Game
To insist on doing things one's own way regardless of others' opinions or advice.
指不接受别人的劝告，顽固地按照自己的主观想法去做。
《史记·酷吏列传》公卿相造请禹，禹终不报谢，务在绝知友宾客之请，孤立行一意而已。”
Despite the team's objections, he continued with his plan, acting with 一意孤行.