expression, godan verb (-ru)
Idiomatic expression meaning to admit defeat or give up resistance, often after a struggle or argument.
彼はついに膝を折って、こちらの条件を受け入れた。
He finally gave in and accepted our terms.
expression, godan verb (-ru)
Literal meaning of physically bending one's knees, such as kneeling or crouching. Less common than the idiomatic sense.
彼は花壇の手入れをするために膝を折った。
He knelt down to tend the flower bed.