on-

A serial killer is on the loose!

有个连环杀手正逍遥法外！

His uncle is now on the Board.

他叔叔现在是董事。

He played an underhanded trick on me.

他跟耍了一个卑劣的花招。

They wrapped up an agreement on Friday.

他们于周五签完协议。

I rode the youngster on my back.

孩骑在背上。

The shop sells secondhand goods on commission.

这家店代售旧货。

She scrubbed the stain on the floor.

她把地板上的污迹擦掉了。

The sun shone full on her face.

光正照到她的脸上。

I will venture five shillings on it.

愿为它赌五先令。

The story is based mainly on traditions.

这个故事主要是说。

A bumblebee stung me on the cheek.

一只大黄蜂在脸上螫了一下。

I burned myself on the stove.

被炉子烫着了。

These cattle have my brand on them.

这些牛身上都有打的烙印。

I could smell booze on his breath.

能从他的呼吸中闻到酒味。

Her passion for cleanliness borders on paranoia.

她的洁癖近乎偏执。

The boxer cleaned up on his opponent.

那位拳击手击败了他的对手。

The police braced him on the charge.

警察当局就这项控告对他严加盘问。

That banker is really on the ball.

那位银行家的确很在行。

Dab the paint on with a sponge.

用海绵扑上颜料。

We condole with him on his loss.

们对他的损失深表同情。