n. a verbal commitment by one person to another agreeing to do (or not to do) something in the future
n. grounds for feeling hopeful about the future
v. make a promise or commitment
v. promise to undertake or give
n. 诺言, 约定的事情, 有指望
vt. 允诺, 约定, 预示
vi. 允诺, 有前途, 有指望