strongly fortified; impregnable
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesidiom
impregnable; as secure as a fortress of metal and a moat of boiling water
formalUsed to describe a defense that is extremely solid and unassailable. The metaphor originates from ancient fortifications. Often used in formal or literary contexts.
Zhè这
zuò座
chéng城
bǎo堡
de的
fáng防
yù御
gōng工
shì事
gù固
ruò若
jīn金
tāng汤
，
dí敌
rén人
nán难
yǐ以
gōng攻
kè克
。
The castle's defenses are impregnable, making it difficult for the enemy to capture.
Jīng经
guò过
duō多
nián年
de的
jīng经
yíng营
，
tā他
gōng公
sī司
de的
shì市
chǎng场
dì地
wèi位
yǐ已
jīng经
gù固
ruò若
jīn金
tāng汤
。
After years of management, his company's market position is as solid as a rock.
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Qiú球
duì队
de的
fáng防
xiàn线
gù固
ruò若
jīn金
tāng汤
，
zhěng整
gè个
sài赛
jì季
zhǐ只
shī失
le了
liǎng两
qiú球
。
The team's defense was impregnable, conceding only two goals the entire season.