自来

I beg your pardon for intruding.

请原谅我不请自来。

I rang the water company to query my bill.

我给自来公司打电话对账单上费提出疑问。

When the climbers looked back, they saw that two uninvited visitors had joined on.

登山一望, 看见两个不请自来游客在跟他们一起爬山。

They were projecting a new waterworks.

他们在设计一个新自来厂。

He came unasked.

他不请自来。

Water supply corporations is feazed by redwater even blackwater, users rebel for that, they even have suspicious with the watersupply corporations.

红、黑现象经常困扰各城市供企业，对此用户十分反感，甚至对自来信誉产生了质疑。

Its just a short form letter and appears to have been signed with the autopen of the day, but I hugged that letter with all the glee of a six-year-old boy getting his first train set from Santa Claus.

这只是一封函，看上去是用那时自来笔签名，但我兴奋地把信抱在胸前，就像一个六岁小孩刚从圣诞老人那里得到了一套火车玩具模型。