pledges
n．承诺，保证：表示将会履行某一义务或行为的正式承诺。
v．发誓，保证：正式承诺将会履行某一义务或行为。
例句
The fighting made a nonsense of peace pledges made last week.
这场战斗使上周做出的和平承诺失去了意义。
《柯林斯英汉双解大词典》
Philip pledges support and offers to help in any way that he can.
菲利普承诺给予支持并提供力所能及的帮助。
He had dishonoured nearly all of his election pledges.
他几乎违背了所有的竞选诺言。
《牛津词典》
