BT Bek 9a(4) :שקל מעפריהו ושדא עילויהו אקשו לאפי מלכא‏ : he took some of their dirt and threw it on them, so they acted brazenly towards the king
See the entire entry for lˀappē prep. towards, facing

BT Bek 9a(4) :אקשו לאפי מלכא‏ : they acted brazenly towards the king
See the entire entry for qšy vb. to be difficult