Definition
To act independently and according to one's own wishes, without regard for others' opinions or desires.
一意孤行
Despite his friends advising him against it, he went his own way and decided to start his own business.
尽管朋友们劝他不要这么做，他还是坚持己见，决定自己创业。
The team offered many suggestions, but the boss always goes his own way, leading to slow project progress.
团队提出了许多建议，但老板总是一意孤行，导致项目进度缓慢。
She always insists on her own views and ignores what others think, truly going her own sweet way.
她总是坚持自己的观点，不理会别人的想法，真是我行我素。