执意 (zhí yì): 결심하다.

Even though the doctor repeatedly urged him to stay in the hospital for treatment, he still insisted on going home, saying he didn't want to spend the night in the hospital.

Her parents thought that university was too far from home, but their daughter was determined to go, so in the end they had to respect her choice.

His friends all advised him not to quit his stable job to start a business, but he was determined to give it a try, saying he didn't want to regret it in the future.

It was raining heavily outside, and I advised her to wait until the rain stopped before leaving, but she insisted on setting off immediately, and as a result she got soaked all over.

The child was determined to buy that expensive toy, and when his mother didn't agree, he started crying loudly at the store entrance.