自来

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

登山者回头望, 看见两不请自来的游客在跟他们起爬山。

I rang the water company to query my bill.

我给自来公司打电话对账单上的费提出疑问。

They were projecting a new waterworks.

他们在设新自来厂。

I beg your pardon for intruding.

请原谅我不请自来。

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的供企业，对此用户十分反，对自来的信誉产生了质疑。

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.

这只是封短的通函，看上去是用那时的自来笔签的名，但我兴奋地把信抱在胸前，就像六岁小孩刚从圣诞老人那里得到了套火车玩具模型。