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以子之矛,攻子之盾
yǐzǐzhīmáo,gōngzǐzhīdùn
1. lit. use sb's spear to attack his shield (idiom, derived from Han Feizi [[韓非子|韩非子]]); turning a weapon against its owner
2. fig. to attack an opponent using his own devices
3. hoist with his own petard

Character Breakdown

以
yǐ
according to; so as to; because of; then
HSK 2 4 丶
子
zi
son, child; seed, egg; fruit; small thing
HSK 1 3 丶
之
zhī
marks preceding phrase as modifier of following phrase; it, him her, them; to go to
HSK 4 3 丶
矛
máo
spear, lance
HSK 5 5 丶
攻
gōng
to accuse; to assault; to criticize
HSK 6 7 丶
子
zi
son, child; seed, egg; fruit; small thing
HSK 1 3 丶
之
zhī
marks preceding phrase as modifier of following phrase; it, him her, them; to go to
HSK 4 3 丶
盾
dùn
shield; Dutch guilder
HSK 5 9 丶

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