forswear

她发誓要戒掉甜食来保持健康。

She decided to ___forswear sweets to maintain her health.

在目睹了战争的恐怖之后，这位老兵发誓摒弃暴力，成为了一名和平活动家。

After witnessing the horrors of war, the veteran ___forswore violence and became a peace activist.

作为法院命令的一部分，被告被要求发誓放弃将来与受害者的任何接触。

The defendant was required to ___forswear any future contact with the victim as part of the court order.