1.assist with security department to research strange cases and unwelcomed guest.
协助安全部调查异常事件或不受欢迎的客人；
2.The flu is one of winter's unwelcomed guess.
流感是冬天的不速之客之一。
3.An unwelcomed infant it was, poor thing!
那可真是一个不受欢迎的婴儿，可怜的东西！
4.I see it now: two unwelcomed travellers are emerging from the nearby horizon.
我看到了：遥远仿佛来了俩位不受欢迎的客人。
5.In China, the color white and black are unwelcomed in sending gifts .
在中国，送礼时不受欢迎的颜色包括白色和黑色。
6.Have you ever had a feeling, that's like an unwelcomed guest.
你是否有过这样一种感觉，就像一个不受欢迎的客人。