In for a penny,in for a pound.

As I am in for it, I must proceed.

既然势成骑虎，我就一不做二不休。

As well be hung for a sheep as a lamb.

一不做二不休，要干索性大干。

"Now that we've gone as far as this, we must either go the whole hog or else drop it altogether. I'm in favour of putting up a fight, myself.

“到这地步，一不做二不休，我是打算拚一拚了！

as well be hanged for a sheep as for a lamb

偷大羊或偷小羊反正都得挨绞刑;一不做二不休。

Even in party circles he had a reputation for ruthless, icy consistency.

甚至在党内，他也是人所共知的冷酷无情、一不做二不休的人。

He's not a man who does things by halves-- either he donates a huge color=# cc0066> sum to a charity or he gives nothing.

他这个人做事一不做二不休--向慈善事业捐款不捐则已,一捐就是一大笔.

He's not a man who does things by halves -- either he donates a huge sum to a charity or he gives nothing.

他这个人做事一不做二不休--向慈善事业捐款不捐则已, 一捐就是一大笔.

Being seduced into betraying our heroine's confidence thus far, we will stretch our communication a step beyond, and impart to the reader her letter to her lover.

既然我们已经辜负了女主人公的信赖，那就一不做二不休，索性让读者看看她给她情人的信吧。

Some pipes full of opium lay upon the table.

他决定一不做，二不休。

You can't be hung any more for a sheep than you can for a lamb.

这就是一不做，二不休。

In for a penny,in for a pound.

做事一开头，就要做到底；一不做，二不休。

in for a penny,in for a pound(saying)having started to do sth,it is worth spending as much time or money as is necessary to complete it

(谚)既已开始, 应该完成;一不做,二不休.

And if one does that, then one is committed to the enterprise

一个人干了那事，他就会一不做，二不休地干下去。

as well Be hanged for a sheep as a lamB.

偷大羊跟偷小羊一样都是贼(一不做，二不休)。

I only know that these people must be conquered, and that it's high time it was done, once for all.

我只知道必须镇压这些人，一不做，二不休，现在也该是镇压的时候了。

The girls were chattering away over their needlework.

女孩子们一面做针线一面喋喋不休。

all-or-nothing adj.

全有或全无的；全要否则不要的；一不作二不休的

He worked until he was too tired to do more .

他一直工作到累得不能再多做时才休息。