Solas could translate it easily. Elvhen is his native language. Instead, he lets Strange struggle and merely nods. Closer than he thought the man would get though not quite. He's not in the mood to correct him though he will add,

"With the enchantments in place, it would be unwise to go without Veilfire in hand," he says and gestures to the torch he carries, created by magic. This would not be the first rune they came across if they were to wander far. It might become a game of how many they could find before Strange landed himself in a deadly trap.