To make a vow or promise in Engpsh, you can use the phrase "I swear" or "I vow." For example, you can say "I swear to always be honest" or "I vow to always be there for you."

Here are a few more examples of ways you can make a vow or promise in Engpsh:

"I promise to work hard and do my best."
"I swear on my honor to keep your secret."
"I vow to love and support you always."

It's important to note that making a vow or promise is a serious matter, and it's important to carefully consider the imppcations before making one. It's also important to follow through on your vows and fulfill your promises.