Definition
To have clear and firm convictions about one's beliefs or desires; to be decisive.
有主見
She always knows her own mind, which allows her to make decisions quickly.
她總是清楚自己的想法，這讓她能夠快速做出決定。
When choosing a university major, you should be clear about what you truly enjoy and know your own mind.
在選擇大學主修時，你應該清楚自己真正喜歡什麼，並有自己的主見。
He doesn't seem sure of what he wants; he needs to know his own mind better.
他似乎不確定自己想要什麼；他需要更清楚自己的想法。