0 Old HSK word(s):
不意* * 出其不意* *

Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.

出 go out, send out / stand / produce
其 his, her, its, their / that
不 no, not / un- / negative prefix
意 thought, idea, opinion / think
Hsk Characters:
HSK -Characters and beyond:
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