Expressions (phrases, clauses, etc.), Godan verb with 'ru' ending
to profit at someone else's expense; to rob Peter to pay Paul; to take risks with other people's money
Idiomatic expressionsee 他人のふんどしで相撲を取るsee たにんのふんどしですもうをとる
Also written 人の褌で相撲を取る【ひとのふんどしですもうをとる】、ひとのふんどしで相撲を取る【ひとのふんどしですもうをとる】