What is the best sentence with word arrow and narrow?

That's a fun challenge! Here are a few options, playing with the meanings of "arrow" and "narrow":

For emphasis on the physicality of the words:

* The archer aimed his arrow through the narrow gap in the wall.

For a more metaphorical meaning:

* Her words were like arrows, piercing the narrow space of his carefully constructed defenses.

For a playful sense:

* He tried to squeeze through the narrow doorway, but his arrow-straight posture wouldn't allow it.

Ultimately, the "best" sentence depends on the context and what you want to convey. What kind of tone or message are you hoping to create? Let me know, and we can brainstorm further!