The receptionist chipped a fingernail while loading paper into the jammed office printer.

櫃檯接待員在把紙放進卡紙的辦公室印表機時，弄斷了一片指甲。

Please trim your fingernails before handling the delicate lenses in our assembly area.

在組裝區處理精密鏡片之前，請先修剪指甲。

The customer complained that a fingernail had scratched the screen during the in-store demo.

顧客抱怨店內展示時，有人用指甲刮傷了螢幕。