We must be so intelligent that he does not suspect us of being intelligent at all." I acquiesced. 
We have to be so smart that the man does not expect us to be smart.
We must be so dumb the man takes us for geniuses.
the boat deck is empty
Two women are shopping.
The woman is outside.
the baby has curly hair.
If you wanted, you could send the army straight across Russia's border.
People in Africa wait for food.