" Just once. What harm can it do? "

" 只来一回。这又有什么害处呢？"

And then Ove hit him. Just once. It was enough.

然后欧维出手了，一击命中。

Just once in a while. Have it on in the background.

有的时候，开着它当背景也好。

Just once, could we have soup that people have heard of? Like French onion or navy bean.

只要一次就好，难道我们不能喝点大家都知道的汤？就像法国洋葱（汤）或者是菜豆（汤）。

Well, there's a class that meets on Monday evenings at 7. -M: Just once a week?

有一个班在周一晚上7点有课。-M: 一周仅上一次？

The colony failed, not just once but twice.

这个殖民地后来失败了，而且是两次。

So try it. Everyday remind yourself just once or twice.

试试吧 每天提醒自己一两次。

(indeed, they have played in the World Cup finals just once between them).

（实际上，只有中国对参加过世界杯决赛阶段的比赛）。

OK, yeah, just once or twice, though. She's really nice.

只是一两次，她非常好。

I had to look back hard, just once, like he was glass.

我要回头用力看，就一眼，当他是块玻璃。

Entitlement just once again means what you are owed or what you deserve.

同样地，这里权利意味着你被欠的或你应得的。

They descend from the canopy just once a week for a bathroom break.

他们每周从树顶下来一次， 只是为了上个厕所。

" Yes, yes. Only I do hope I shall see her just once again."

“当然，当然。只不过我想再见她一面。”

So cheap that much of it's designed to be used just once.

它太便宜了，所以被设计成一次性的。

Even if it's just once and only for a couple of minutes.

即使只有几分钟。

Wish I could help, but...- Please. You can't bend the rules just once?

真希望能帮到你，但...... -求你了。你就不能通融一次吗？

" Just once you might try to give me an answer that would please me, Lord Snow, " the king grumbled.

" 真得要奇迹发生才能从你嘴里听到好消息，雪诺大人。" 国王发起牢骚。

He wanted to meet the beautiful princess desperately even if it was just once.

他想去见见那美丽的公主，哪怕就一面。

He said, " What about the fans that saved up to watch me play just once? "

“很多球迷攒钱买票只为来看我一场比赛。”

1RM, short for one rep max, the amount of weight one can maximally lift just once.

1RM 是 one rep max 的缩写，意思是单次可承受力的最大值。