Hòuwèi chénggōng de dǎngzhù le duìfāng de jìngōng.
The defender successfully blocked the opponent's attack.
Tips
usage
In basketball, 后卫 specifically means 'guard' (e.g., 控球后卫 point guard, 得分后卫 shooting guard). In soccer, it means 'defender/fullback.' Compare with 前锋 (forward) and 中锋 (center).