vt.

1. 预测，预报[+（that）][+wh-]
   The teacher forecast that twenty of his pupils would pass the examination.

   老师预测他有二十名学生能通过考试。

2. 预示；预言
   Such events may forecast war.

   这类事件可能是战争的预兆。

   Who can forecast the future?

   谁能预言将来？

vi.

1. 作预测，进行预报

n.

1. 预报，预测，预料[C][+（that）]
   I listened to the weather forecast.

   我听了天气预报。

v.

n.