Definition
to employ force to push someone or something away from you
迫使撤退；使退卻
After a fierce battle, they managed to beat the enemy back.
經過一場激烈的戰鬥，他們成功擊退了敵人。
She beat back the attacker with the knife in her hand.
她用手上的刀擊退了襲擊者。
They worked hard to beat the flood back and keep their homes dry.
他們努力擊退洪水，保護家園不受淹沒。