No touching allowed while watching.

只准看不准摸。

《新英汉大辞典》

No touching, you'll get the mop dirty.

不要碰，你会弄脏它的。

youdao

Technically, this is cheating, but if there’s no touching it doesn’t count.

技术上来讲，这是作弊，但如果不是你刻意的就不算数。

youdao

If nothing is touching the body, there are no forces on it, with one exception which is, of course, gravity.

如果没有实体接触,那么它就不受作用力,当然一个例外那就是引力

耶鲁公开课 - 基础物理课程节选

If unfamiliar, these are the mechanical computer devices that you have to use to buy a ticket on the T these days and there was one of these really awkward but touching situations where it was clear that this woman had no idea, you know, what to do, how to get from here to here, and I could see her just staring at the turnstiles that you're supposed to go through to get into the subway.

如果不熟悉，这是机械计算机设备,当今你必须使用它们来买地铁票,它们实在是难操作的,这个令人同情的情况是,明显这位老太太不知道怎样操作，怎样从这一步到那一步,我看见她只是凝视着,地铁的栅门口。

哈佛公开课 - 计算机科学课程节选

"There is no more poignant, more touching, more effective way to tell the story than this reality, as painful as it is, but it is a reality, " he said after completing his visit.

NPR: Pentagon Chief Stresses Israel's Right To Hit Iran

The court heard that despite the defendant admitting touching the girl sexually, there was no penetrative sex between them.

BBC: Michael Pooley jailed for affair with 15-year-old pupil

That was left to Congress and if Congress does not act in an area touching interstate commerce, there may be no regulation.

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