Chinese

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hard; strong; solid
hard; strong; solid; sure
 
to seem; like; as
to seem; like; as; if
 
metal city walls and moats with boiling water
trad. (固若金湯) 金湯
simp. (固若金汤) 金汤

Pronunciation

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Idiom

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固若金湯

  1. strongly fortified; impregnable