Keywords: oblivious, vacant (empty), clueless, unaware
Found 1 variant for this sign (click on video to enlarge):
As a Verb or Adjective
1. To not be aware of something or conscious of what is happening around you. English = (be) oblivious, (be) unaware.
2. To have no knowledge, understanding or ability. English = (be) clueless.
3. To have a look or expression which suggests that you do not understand something or that you are not very intelligent. English = (be) vacant, have a vacant look.