A What are you looking for? 你在找什么呀?
B I lost one of my contact lenses, and I’m searching high and low for it. 我丢了一只隐形眼镜，我正到处在找。
A Where did you lose it? Maybe I can help you to find it. 你掉在哪儿呢?也许我能帮你找到。
B Thank you very much. I think I lost it near the window. 太谢谢了，就掉在窗边。