invigilate
v[I, Ipr, Tn]
~ (at sth) (Brit) be present during (an examination) to make sure that it is properly conducted, that no cheating occurs, etc (在考场上)监考
invigilate (at) a history exam 监考历史.
I want to ask you for your advice. When I leave school, I want to be an engineer. For years I have been interested in engineering. I have made tools at home and have written articles for magazines. My father says that engineering is not a suitable subject