Psychologically: Knock-knees stand for problems and obstacles on the life for which one himself is responsible. Now and again the injustice against which one must defend himself is also expressed in it. Popular: (arab).: have: you are ashamed and are sensitive, see: a marriage breaks up. (European ones).: the planned way is more difficult or is looked as unwieldier than one has thought, see: one will be submitted to an embarrassing criticism, have: if good shape and health promises, - one will be held responsible for a blameless mishap himself. (ind).: have: you will suffer by a bad chance damage, see at somebody: you will get involved in risqué enterprises.