1.take someone on 与(尤指强于自己的人)较量
Democrats were reluctant to take on a president whose popularity ratings were historically high.
民主党不愿意与一个支持率创历史新高的总统较量。
2.ward off 阻挡(危险、疾病等)
She may have put up a fight to try to ward off her assailant.
她可能进行过一场搏斗，试图击退袭击者。

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