commentate
v[I, Ipr]
~ (on sth)
(a) describe, esp on TV or radio, an event as it happens 实况报道(尤指电视或无线电广播)
commentate on an athletics meeting 运动会实况报道.
(b) (usu not in the continuous tenses 通常不用於进行时态) do this regularly, as a job 作(实况报道的)解说员.
Alf did this for over two years and his fellow dustmen kept his secret Alf's wife has never discovered that she married a dustman and she never will, for Alf has just found another job.