be on

A serial killer is on the loose!

有个连环杀手正逍遥法外！

There is some dirt on your coat.

你的外套上有灰尘。

Shocking crimes are now on the upswing.

骇人的罪行正增长。

This is conditional on the overall plan.

这决定于总的计划。

Pencil and earser are on the bookcase.

铅笔和橡皮书架上.

Everyone was indoors on such a night.

这样的晚上谁都会待。

That banker is really on the ball.

位银行家的确很行。

I hope to be on a percentage.

我希望得到一。

The hotel is on your left side.

你的左侧。

Have you been on a bus lately?

你最近乘过公共汽车吗？

The floor is on a slight slope.

地面略有倾斜。

The heater is on a timer switch.

加热器连一个定时开关上。

The hunt is on for the criminal.

正搜捕该罪犯。

The film company is on location now.

这家电影公司现正拍外景。

The scheme is still on the anvil.

这计划尚筹划中。

Short skirts are on the way out.

短裙正慢慢不再流行。

The ship was on a southerly track.

船正向南行驶。

Pileated woodpeckers are on the wax now.

有“羽冠”的啄木鸟现增加。

The post office is on the right.

邮局右边。

Their political power is on the wane.

他们的政治势力逐渐减弱。