Subject + 输 + (了)
The verb 输 (shū) means "to lose" in the context of competitions, games, or contests. It is the opposite of 赢 (to win) and is used to describe being defeated. Use 输 after the subject to indicate that someone lost a match, game, or contest.
我们队昨天输了比赛,大家都很失望。
Wǒmen duì zuótiān shū le bǐsài, dàjiā dōu hěn shīwàng.
Our team lost the game yesterday, and everyone was very disappointed.
他下棋从来没输过,实力很强。
Tā xiàqí cónglái méi shū guò, shílì hěn qiáng.
He has never lost a chess game; he is very strong.
这场比赛我们输了三分,太可惜了。
Zhè chǎng bǐsài wǒmen shū le sān fēn, tài kěxī le.
We lost by three points in this game — what a pity.