set against
US /set əˈɡenst/
UK /set əˈɡenst/

1.
colocar contra, opor a
to cause someone to oppose or dislike someone or something else
:
•
His lies set the two friends against each other.
As mentiras dele colocaram os dois amigos um contra o outro.
•
The new policy set the employees against the management.
A nova política colocou os funcionários contra a gerência.
2.
comparar com, contrastar com
to compare or contrast something with something else
:
•
You need to set your current performance against your goals.
Você precisa comparar seu desempenho atual com seus objetivos.
•
The film sets modern life against traditional values.
O filme compara a vida moderna com os valores tradicionais.