挂失 guàshī to report the loss of something
How to remember 挂失: 挂 hang + 失 to lose = to report the loss of something.
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How it is used
- To report the loss of a card or document so it can be frozen - 银行卡挂失 (yínhángkǎ guàshī) report a lost bank card, 挂失补办 report lost and reissue.
- A practical bank/admin word: you notify the issuer to invalidate the lost item.