Meaning of dǎ bài:
打败
to defeat; to overpower; to beat; to be defeated
Tā zài bǐsài zhōng dǎbài le suǒyǒu duìshǒu.
他在比赛中打败了所有对手。
He defeated all his opponents in the competition.
Zài juésài zhōng, tā zhōngyú dǎbài le duìshǒu.
在决赛中,他终于打败了对手。
In the finals, he finally overpowered his opponent.
Wǒmen zhōngyú bǎ duìshǒu dǎbài le.
我们终于把对手打败了。
We finally defeated the opponent.
Tā zài bǐsài zhōng bèi duìshǒu dǎbài le.
他在比赛中被对手打败了。
He was defeated by his opponent in the match.