If you made a promise, you must honor it.

如果你做出了承诺，就必须遵守它。

youdao

When you make a promise you will always honor it, and when you know you won't be able to stick to your promise it's best to be honest and tell your friend that you can't keep to the promise.

当我们许下诺言时，我们总应该对此守信，并且当你知道你不能遵从你的诺言时，你要诚实的告诉你的朋友你不能实现你的承诺了。

youdao

Lord, I was happy—happy for Mother after all shed lived through to get me to that day, happy that Daddy’s last prediction came true, happy for the honor and the promise of the next two years.

我问母亲要是我穿一身英国花呢服装，她会怎么想，我看上去会好看吗。 天哪，我高兴极了——我为母亲高兴，毕竟她活着看到了我这一天；我高兴老爸最后的预言成为了现实；我为未来两年的荣誉和前途感到高兴。

youdao

However,the people of the Philippines built a statue to honor him for keeping his promise to return.

VOA: special.2009.05.24

He also said he was upset with then-Vice President Al Gore for failing to honor his promise to endorse Martinez.

CNN: Party switching comes with political risks

Kendall also attacked Starr for failing to honor his earlier promise to end leaks from his office.

CNN: Investigating the President

The venture firm gets word of its interest to would-be sellers in that industry at no expense and only later has to determine whether it will honor its unwritten promise to the executive.

FORBES: Pensions Funds: Funding Unsavory Practices of Venture Capitalists (May 1, 2000)