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Definitions4 characters
gu4 ruo4 jin1 tang1
lit. secure as a city protected by a wall of metal and a moat of boiling water (idiom)/fig. well fortified; invulnerable to attack
Usage•••frequent
Pronunciations

As word

1
gu4
lit. secure as a city protected by a wall of metal and a moat of boiling water (idiom)/fig. well fortified; invulnerable to attack
2
ruo4
lit. secure as a city protected by a wall of metal and a moat of boiling water (idiom)/fig. well fortified; invulnerable to attack
3
jin1
lit. secure as a city protected by a wall of metal and a moat of boiling water (idiom)/fig. well fortified; invulnerable to attack
4
tang1
lit. secure as a city protected by a wall of metal and a moat of boiling water (idiom)/fig. well fortified; invulnerable to attack