| 下落不明 | xià luò bù míng | unaccounted / unknown whereabouts | ![]() |
| 失踪 | shī zōng | to be missing / to disappear / unaccounted for | ![]() |
| 转为不明材料 | diversion into material unaccounted for / diversion into MUF | ![]() | |
| 下落不明材料 | material unaccounted for | ![]() | |
| 追查失踪人员工作组 | Working Group on the Process for Tracing Persons Unaccounted For | ![]() | |
| 下落不明者 | unaccounted for (person) | ![]() |
