be on

上映, 上演

例句与用法：

My plan will be on the carpet at today's meeting.

今天的会议将审议我的计划。

You'll be on your mettle during the training course.

你在训练期间要尽最大努力。

The hostilities will be on eruption.

战事即将爆发。

While danger threatens we must all be on guard.

危险正逼近，我们必须保持警惕。

Just to be on the safe side.

为安全起见。

Please be on hand at12: 30 sharp.

请在12点30分准时在席。

How much interest will there be on a principal of $5000?

5000美元本金的利息是多少？

A new plat will be on at the crown theatre tomorrow.

皇冠剧场明天半上演一出新戏。