Short skirts are on the way out.

短裙正慢慢不再流行。

Shocking crimes are now on the upswing.

骇人的罪行正在增长。

Pencil and earser are on the bookcase.

铅笔和橡皮在书架上.

Pileated woodpeckers are on the wax now.

有“羽冠”的啄木鸟现在在增加。

Italian wines are on (special) offer this week.

意大利葡萄酒本周特价出售。

These computers are not yet on the market.

这些计算机还未上市。

Tickets are on sale from the booking office.

售票处正在售票。

Good science teachers are thin on the ground.

优秀的理科教师屈指可数。

They are on friendly terms with the boss.

他们与老板的关系融洽。

The restless students are on the boil again.

不安分的学生们又处于激动之中。

Birmingham City are on a real downer .

伯明翰队的确是一再遇挫。

The enemy are on the march at last.

敌人终于出动了。

The birds are on the wing for warmer countries.

鸟儿展翅飞往较温暖的地方。

The children are on the hillside flying their kites.

孩子们正在山坡上放风筝。

The bank's deposit accounts are on the increase.

银行存款在不断增加。

The police are on the scent of the criminals.

警方正在追踪罪犯的线索。

All those clothes are unnecessary on such a hot day.

在这样一个大热天，所有那些衣服都不需要了。

Our advantage is that we are on our home soil.

你们的优势体现在什么地方？

People who are on a diet mustn't have chocolate.

正在节食的人不能吃巧克力。

We are on the scent of an important discovery.

我们已掌握了一条可能导致重要发现的线索。