# See, I send

The word "See" here adds emphasis to what follows. Alternate translation: "Look, I send" or "Listen, I send" or "Pay attention to what I am about to tell you. I send"

# I send you out

Jesus is sending them out for a particular purpose.

# as sheep in the midst of wolves

Sheep are defenseless animals that wolves often attack. Jesus is stating that people may harm the disciples. Alternate translation: "as sheep among people who are like dangerous wolves" or "as sheep among people who act the way dangerous animals act" 

# be as wise as serpents and innocent as doves

Jesus is telling the disciples they must be cautious and harmless among the people. Alternate translation: "act with understanding and caution, as well as with innocence and virtue"