解析词未被识别 (UNK)

Question

我遇到了一个带有已批准解析的未知词 (UNK)。请帮我理解原因：

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Answer 1

在源 FLEx 项目中，该词可能尚未被分析，或者尚未被批准。 

帮助文件中有一个很好的故障排除部分，专门针对此类消息：
https://software.sil.org/downloads/r/flextrans/resources/UserDoc.htm#sTroubleshooting

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Answer 2

It could have been that the changes you made to your interlinear text were not saved to disk by the time FLExTrans' Live Rule Tester read the text. After a text change a fairly reliable procedure to save it to disk is to switch to the Lists area of FLEx and switch back.