fly in the face of
fly in the teeth of
To ignore; go against; show disrespect or disregard for.
You can't fly in the face of good business rules and expect to he successful.
Floyd's friends tried to help him, but he flew in the teeth of their advice and soon became a drunkard.
in the face of
When met or in the presence of; threatened by.
He was brave in the face of danger.
She began to cry in the face of failure.
Although opposed by; without being stopped by.
Talking continued even in the face of the teacher's command to stop.