A retweet about Sam, Lawrence and Regina getting students to draw a veil over something perhaps (3,6)
I believe the answer is:
art master
'students to draw a veil over something perhaps' is the definition.
I don't know anything about this answer so I cannot judge whether this works.
'a retweet about sam lawrence and regina' is the wordplay.
'a retweet' becomes 'art' (I am not sure about this - if you are sure you should believe this answer much more).
'about' says the letters should be written in reverse.
'lawrence' becomes 'te' (TE Lawrence, Lawrence of Arabia).
'and' means one lot of letters go next to another.
'regina' becomes 'r' (common abbreviation e.g. ER=Elizabeth Regina).
'sam' back-to-front is 'mas'.
'art'+'mas'+'te'+'r'='ART MASTER'
'getting' is the link.
Can you help me to learn more?