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1·I'll be up to see you tomorrow.

我明天上来看你。《柯林斯英汉双解大词典》

2·It's very quiet upstairs; they must be up to some mischief !

楼上很安静。他们一定在搞什么恶作剧。《牛津词典》

3·Strange, I thought.They must be up to something!

“奇怪，”我想。“他们一定在搞什么鬼！”

4·There can be up to 36 people or more racing in each boat in the water.

每艘船最多可以有36人或更多的人在水中比赛。

5·In Denmark, there can be up to 17 hours of darkness per day in winter, and the average temperature is around 0℃.

在丹麦，冬天每天有长达17个小时的黑夜，平均气温在0℃左右。

6·They said that this would be up to those device makers.

他们说，这将取决于这些设备制造商。

7·That's why it may be up to consumers to move the needle on chip and PIN.

这就是为什么要由消费者来决定芯片和个人识别码的变化。

8·121 companies had stands last year, and that figure should be up to 140 this time.

去年有121家公司有展位，这次应该有140家了。

9·If you applied the same measures to legacy fighters, the cost would be up to $3 trillion.

如果你对传统战斗机采用相同的标准，其成本可能上升到3万亿美元。

10·They can be up to one and a half meters long, and these tubes are attached to the ocean floor, pretty weird looking, huh?

它们最多可以有1.5米长，而且这些管子连接在海底，看起来很奇怪，是吧？