As regras do Pathfinder aqui não são muito claras, e parte disso é por causa da mudança do 3.5. No entanto, o FAQ oficial da Paizo tem algumas informações relevantes:
Acrobatics allows you to make checks to move through the threatened area of foes without provoking attacks of opportunity. You must make a check the moment you attempt to leave a square threatened by an enemy, but only once per foe. The DC (which is based of the Combat Maneuver Defense of each foe), increases by +2 for each foe after the first in one round. The DC also increases by +5 if you attempt to move through a foe. In the case of moving out of the threatened square of two foes at the same time, the moving character decides which check to make first.
For example, a rogue is flanked by a meek goblin and a terrifying antipaladin. The rogue move away from both of them, provoking an attack of opportunity from both, but uses Acrobatics to attempt to negate them. She must move at half speed while threatened by these foes and can choose which to check against first. If she fails a check, she provokes an attack of opportunity from that foe. If she makes it, she does not provoke from moving through that foe's threatened space this turn.
E assim, embora faça sentido decidir que a linguagem "through" deve ser proposital e que significa algo diferente de "deixar um quadrado", esse não é o caso, e o FAQ oficial vai até onde para usar um exemplo onde um ladino começa seu turno já flanqueado por dois inimigos.