“从不轻易做承诺”用英语怎么说？

用 in haste 吧 ... marry in haste, repent at leisure 匆匆结婚,时时悔恨. 呵呵

never make a promise in haste

Never make a promise easily.

don't promise things without thinking

Never make a promise imprudently.

cursory

Commitment never easy to do