败 (bài): เพื่อเอาชนะ

He lost to his opponent in the final and only got the silver medal.

This team underestimated the opponent and ultimately lost to a weak team.

Even though he prepared well, he still was defeated and lost the match.

He failed this exam due to carelessness, getting wrong even the questions he knew how to do.

After a hard five-game battle, he eventually lost 3-2 to the defending champion.