She refused to give in to the nagging question of brain damage.
But Natasha would not give in.
Sooner or later, most people give in to a child's voice deep inside.
The question of granting dispensations from such a vow gave rise to much canonical legislation, in which the papacy had finally to give in to the bishops.
What we must not do in the face of a mortal threat is to give in to wishful thinking or willful blindness.