H-30：high and low 到处
A:What are you looking for?
A:你在找什么？
B:I lost one of my contact lenses, and I'm searching high and low for it.
B：我丢了一只隐形眼镜，我在到处找。
A:Where did you lose it? Maybe I can help you to find it.
A:你掉哪儿了？也许我能帮你找到。
B:Thank you very much. I think I lost it near the window.
B：太谢谢了，就摔在窗边。
