通告 tōnggào to announce
to announce; to give notice; announcement
How to remember 通告: 通 pass through + 告 to tell = to announce.
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How it is used
- A public notice/announcement, or to issue one - 发布通告 (fābù tōnggào) put out a notice.
- The document itself is a 通告 (posted for the general public). Compare 通知 (tōngzhī), which is usually directed at specific people/units; 通告 is broader, public-facing.
- Official register - government offices, police, companies post 通告.