ward off例句

He managed to free one hand to ward off a punch.
他设法挣脱出一只手来挡住了一拳。

Many people swear by vitamin C's ability to ward off colds.
许多人深信维生素C能预防感冒。

Such a thin padded coat cannot ward off the cold mountain wind.
这么薄的棉衣在高山上挡不住寒风.