2 sentences for 遮挡 (zhē​dǎng — block)

1. 在取款机上输密码时要注意遮挡。

   zài qǔ​kuǎn​jī shàng shū mì​mǎ shí yào zhù​yì zhē​dǎng.

   Be sure to cover your hand when entering your password at an ATM.

   Source: Dong Chinese Dictionary

2. 路边的广告牌太大了，完全遮挡了后方商店的招牌。

   lù​biān de guǎng​gào​pái tài dà le, wán​quán zhē​dǎng le hòu​fāng shāng​diàn de zhāo​pai.

   The roadside billboard is so large that it completely blocks the signs of the shops behind it.

   Source: Dong Chinese Dictionary