1.more hopeful than you should be about something that is very unlikely to happen
1.Official budgetary forecasts had lost credibility under Labour over the past decade by being generally overoptimistic.
过去十年工党执政期间，官方发布的预算案对未来的评估总是过于乐观，早已失去公信度。
2.The unit-volume forecasts proved overoptimistic for several consecutive periods, and large amounts of inventory piled up.
一段时间过后，事实证明这一预测过于乐观，导致库存积压。
3.Problems can range from lower customer demand for products to problems with founders to overoptimistic projections.
问题各种各样，从客户对产品的需求较低，到发起人对前景过于乐观。
4.Overoptimistic managers have management opportunity action in using of cash flow.
过度自信的高管人员对现金流的利用存在着管理机会主义。
5.That schedule now looks hideously overoptimistic.
现在看来这些计划显然过于乐观了。
6.I was perhaps overoptimistic about juggling both my full-time studies and my part-time job.
我也许对于拼命应对我的全职学习和业余工作太过于乐观了。
7.Those kinds of predictions, however, may be overoptimistic.
但是这么多种类的预测可能都太过于乐观了。