以子之矛，攻子之盾

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 / fig. to attack an opponent using his own devices / hoist with his own petard

old variant of 以[yi3]

old variant of 以[yi3]

abbr. for Israel 以色列[Yi3 se4 lie4]

to use / by means of / according to / in order to / because of / at (a certain date or place)

son / child / seed / egg / small thing / 1st earthly branch: 11 p.m.-1 a.m., midnight, 11th solar month (7th December to 5th January), year of the Rat / Viscount, fourth of five orders of nobility 五等爵位[wu3 deng3 jue2 wei4] / ancient Chinese compass point: 0° (north) / subsidiary / subordinate / sub-

(noun suffix)

(possessive particle, literary equivalent of 的[de5]) / him / her / it

spear / lance / pike

to attack / to accuse / to study

shield / (currency) Vietnamese dong / currency unit of several countries (Indonesian rupiah, Dutch gulden etc)