He managed to free one hand to ward off a punch.

　　他設(shè)法掙脫出一只手來擋住了一拳。

　　The ward was busy and Amy hardly had time to talk.

　　病房里非常忙碌，埃米幾乎沒有時間說話。

　　Many people swear by vitamin C's ability to ward off colds.

　　許多人深信維生素C能預(yù)防感冒。

　　Ask to speak to the sister on the ward

　　請求和病房里的護(hù)士長說話。

　　She may have put up a fight to try to ward off her assailant

　　她可能進(jìn)行了頑強(qiáng)的反抗，試圖擊退襲擊者。