sign the pledge

• vi. 发誓戒酒

sign the pledge的用法和样例：

例句

1. Have a beer. No thanks. I've signed the pledge at last.
   喝杯啤酒吧！——谢谢。我已最终决定戒酒了。
2. "Have a beer." "No thanks. I've signed the pledge at last."
   "喝杯啤酒？""不，谢谢。我好不容易决定不再喝酒了的。"