膝にくる
(膝を屈めるだけの意味なら)to bend one's knees―(礼拝、服従するの意味なら)―bow the knee (to or before god or man)―(屈服するの意味なら)―come to one's knees
to sit knee to knee with one―sit opposite each other
to cross one's legs (tailor-fashion)
to sit knee to knee with one―sit opposite each other
both knees
膝を組むこと
膝をつけ!
to have a familiar talk with one
Your knees are out.