1·She welcomed her unexpected visitor with irreproachable politeness.
她以无可指摘的礼仪接待了不速之客。
—— 《柯林斯英汉双解大词典》
2·I was just about to go out when an unexpected visitor came.
我正要出门，这时候来了一位不速之客。
3·After a while somebody stirred inside, and with a bewildered face Miss Rottenmeier appeared, staring at the unexpected visitor.
过了一会儿，里面有人动了一下，罗特麦耶小姐出现了，她一脸困惑，瞪着这个不速之客。
4·This deep sea creepy-crawly gave oil workers a fright, after the unexpected visitor hitched a ride on a submarine sent from a rig in the Gulf of Mexico.
当这个不速之客搭乘了一艘从墨西哥湾钻井平台发出的潜艇后，这种深海爬行动物吓了石油工人一跳。
5·I was just going out when an unexpected visitor came.
我正要出门，这时候来了一位不速之客。
6·Our conversation was interrupted by an unexpected visitor.
一位不速之客打断了我们的谈话。
7·On the very day of my coming home from Longbourn, your uncle had a most unexpected visitor.
就在我从浪搏恩回家的那一天，有一个意想不到的客人来见你舅父。
8·Check who is at the door before opening it, and do not open the door to an unexpected visitor.
在开门前确任是谁后再开门，如有不任识或未预期的访客千万不要打开门户。
9·He had already prepared his opening remark: an unexpected visitor! A very strange thing happened.
他已经准备好了开场白：一个不速之客！出了一件非常离奇的事情。
10·If the number of failure attempts increases, it means that the journey towards success draws nearer. Success often comes at the very end; just like an unexpected visitor.
失败的次数愈多，成功的机会也愈近。成功往往是最后一分钟来访的客人。