an occasion when the members of a parliament or other organization are asked to say that they support the people in authority and agree with their actions

The government held a vote of confidence and lost/won it. 政府举行了一次信任投票，结果未获通过／顺利过关。

a sign that you are pleased with the quality of something or what someone has done or produced

I think the fact that so many of you are here tonight is a vote of confidence for our local performers. 我觉得今晚你们这么多人来到这里是对我们地方演员的一种肯定。