The sad thing is that the majority of people that are killed by malaria are children because there immune system is not strong enough to ward off this infection."

VOA: special.2009.12.22

You blame yourself as a victim of trauma for not having the sufficient vigilance in your outer cortex to ward it off.

你会因为你的脑皮层,不能有效保护你不受创伤危害,而成为创伤受害者。

耶鲁公开课 - 文学理论导论课程节选

The superfluous action suggests that there was something more at stake, perhaps, than Saint Ebba's attempt to ward off sexual assault.

过多的行动表明，有比,圣人Ebba试图保护自己不受侵犯更有风险的东西。

耶鲁公开课 - 弥尔顿课程节选

Millwall needed a quick response but instead they found themselves further behind when Vagner's shot from the edge of the area deflected off Ward and over Stack into the net.

BBC: SPORT | Football | Europe | Ferencvaros 3-1 Millwall

Throughout the Chinese New Year holidays, fireworks and firecrackers are traditionally set off to ward off evil spirits when ushering in the new year.

BBC: China media: New Year haze

Others set off firecrackers to ward off evil spirits.

NPR: Earthquake Rocks China's Sichuan Province