pledge

All the candidates have given/made pledges not to raise taxes if they are elected.

所有的候选人都保证当选后不增税。

Thousands of people made pledges (= promised to give money) to the charity campaign.

数千人许诺向救助儿童慈善运动捐款。

I give you this ring as a pledge of my everlasting love for you.

我把这枚戒指送给你作为我永远爱你的信物。

We are asking people to pledge their support for our campaign.

我们正请求人们承诺支持我们的运动。

If you join the armed forces, you have to pledge allegiance to your country.

如果参军，你必须宣誓效忠你的祖国。

So far, ￡50,000 has been pledged (= people have promised to pay this amount) in response to the appeal.

到目前为止，人们已承诺捐款5万英镑以响应这项呼吁。

Both sides have pledged to end the fighting.

双方均已保证停战。

I've been pledged to secrecy.

我已发誓保守秘密。