It must be once for all, without reserve, without recall.

I say no once for all.

我断然拒绝.

This draught occurs once in a blue moon.

这场旱灾是百年不遇的.

He only comes here once in a blue moon.

他只是偶尔到这儿来一次.

It'snows here once in a blue moon.

这里几乎不下雪.

Barry only visits his parents once in a blue moon.

巴里很难得去看望他父母一次.

I go to a restaurant once in a blue moon.

我难得在外吃饭,也极少在饭店用膳.

Ann turned over in her bed once more.

安在床上又翻了一下身。

Why not try once more?

何不再试一下?

The Conservatives were once more in power.

保守党再次执政.

The British Government is once more out of step with world opinion.

英国政府的观点再一次和世界舆论出现分歧。

We set off once more, over a rough mountain track.

我们沿着一条崎岖的山间小路再度出发。

Let me fill your glass once more.

再给你满上一杯.

I was reminded of it once more.

有人又一次提醒我这件事.

I'll repeat the question once more.

我要把这个问题再重复一次.

I suggest trying once more.

我建议再试一次.

I've only been there once or twice.

我只是偶尔到过那里.

I've been there once or twice.

我到过那里几次.

We stumbled once or twice but we got there quite quickly.

我们绊了一两跤,但很快就到了那儿.

Once or twice she looked over her shoulder at me.

有一两次她回头看看我.

Once or twice I thought they were going out.

有一两次我以为灯会灭了.