胡来

zhè jī qì hěn jiāo guì nǐ kě bù néng hú lái

这机器很娇贵，你可不能胡来。

The machine is expensive and delicate. You mustn't fool with it.

zhè zhǒng shì bù néng hú lái

这种事不能胡来！

This kind of thing is not to be messed about with.

bié hú lái

别胡来！

Don't mess it up!

bié dǎ jià shuí yě bù xǔ hú lái

别打架，谁也不许胡来！

Stop fighting! Nobody is allowed to make trouble here!

tā liū bīng liū dào le bīng céng hěn báo de dì fang zhēn hú lái

他溜冰溜到了冰层很薄的地方，真胡来。

It was wild of him to skate out onto the thin ice.