1
general::
Phrase(s): strike something (up)on something
to hit or bang something on something else. • She struck her head upon the side of the bed. • Mary struck her elbow on the doorjamb., Phrase(s): strike someone or something on something
to hit someone or something on a particular place or part. • The ball struck me on my elbow, causing a great deal of pain. • I struck the bear on the paw, and that only made it madder.
McGrawhill's American Idioms And Phrasal Verbs