Be out for blood and Fly in the face of

Fly in the face of and be out for blood are semantically related. In some cases you can use "Fly in the face of" instead a verb phrase "Be out for blood".

Fly in the face of verb - Go against.

Be out for blood and fly in the face of are semantically related. Sometimes you can use "Be out for blood" instead a verb "Fly in the face of".