Her smile was compared to a Samuel Beckett play, suggesting that it appeared simple on the surface but was complex and hard to understand beneath. This metaphor highlights the subtlety and layered nature of her expression, making it intriguing yet elusive to decipher.
The quote emphasizes the depth and ambiguity in her smile, much like Beckett's plays, which are known for their simplicity paired with profound, often ambiguous meaning. It suggests that her outward appearance may be deceiving, hiding more intricate emotions or thoughts inside.