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
前车主
qián chē zhǔ
previous owner (of a car for sale)
打狗欺主
dǎ gǒu qī zhǔ
to beat a dog and bully its owner / fig. to humiliate sb indirectly by bullying a subordinate
Warren Buffett (1930-), the Sage of Omaha, US investor and philanthropist, principal owner of holding company Berkshire Hathaway
米哈伊尔・普罗霍罗夫
Mǐ hā yī ěr · Pǔ luó huò luó fū
Mikhail Prokhorov (1965-), Russian billionaire and owner of the Brooklyn Nets (NBA team)
儿不嫌母丑,狗不嫌家贫
ér bù xián mǔ chǒu , gǒu bù xián jiā pín
a son won't abandon his mother for being ugly, just as a dog won't abandon its owner for being poor (proverb)
米哈伊尔·普罗霍罗夫
Mǐ hā yī ěr · Pǔ luó huò luó fū
Mikhail Prokhorov (1965-), Russian billionaire and owner of the Brooklyn Nets (NBA team)
沃伦·巴菲特
Wò lún · Bā fēi tè
Warren Buffett (1930-), the Sage of Omaha, US investor and philanthropist, principal owner of holding company Berkshire Hathaway
代驾
dài jià
to drive a vehicle for its owner (often as a paid service for sb who has consumed alcohol) (abbr. for 代理駕駛|代理驾驶[dai4 li3 jia4 shi3]) / substitute driver (abbr. for 代駕司機|代驾司机[dai4 jia4 si1 ji1])
铲屎官
chǎn shǐ guān
(neologism) (coll.) pet owner (lit. "official in charge of cleaning up poop")