1 sentence for 屏蔽 (píng​bì — to shield (signals))

1. 之前有人用屏蔽号码打过电话。

   zhī​qián yǒu rén yòng píng​bì hào​mǎ dǎ guo diàn​huà.

   Somebody called from a blocked number earlier.

   Source: OpenSubtitles