It's also OK to say "speak an address, speak a lecture," for example:SoQ Dajatlh  "you speak an address" or, more colloquially, "you deliver an address" or "you make a speech" (SoQ "speech, lecture, address," Dajatlh "you speak it")

qama'pu'vaD SoQ Dajatlh
"you make a speech to the prisoners"

jatlhlu'
"it is said", "so they say", "as one says", etc