v.发誓抛弃( forswear的过去式 )，坚决放弃，发伪誓，作伪证
The party was offered a share of government if it forswore violence.
该党如果宣誓放弃暴力就可以参与执政。
The old man forswore smoking.
那老人下决心戒烟.
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