1hopeful (about sth);hopeful that... believing that sth that you want will happen 抱有希望:
He's very hopeful about the success of the business.他对这笔生意成功抱有很大的希望。The ministers seem hopeful that an agreement will be reached.那些部长看来对达成协议满怀希望。
2 making you think that sth good will happen 带来或有希望:
a hopeful sign令人鼓舞的征兆