我在比赛中败给了对手。
wǒzài bǐsài zhōng bài gěi le duìshǒu 。
I was defeated by my opponent in the competition.
他总是担心自己会失败。
tā zǒngshì dānxīn zìjǐ huì shībài 。
He is always worried that he will fail.
我们不能因为一次失败就放弃。
wǒmen bùnéng yīnwèi yīcì shībài jiù fàngqì 。
We can't give up just because of one defeat.