Final Answer:
When Kino and Jiya were late coming from the island, Kino realized that there might be an unforeseen danger or trouble that delayed their return.
Step-by-step explanation:
Kino's realization upon their late return from the island suggests an apprehension or concern about potential unforeseen hazards or trouble they might have encountered. This inference is drawn from the context that their delay was unusual, prompting Kino to acknowledge that something unexpected might have happened during their excursion. The realization signifies Kino's awareness of the possibility of danger or an adverse situation, prompting a sense of apprehension about their well-being.
The realization of potential danger or trouble reflects Kino's understanding that their tardiness could indicate an unforeseen event that caused their delay. This realization signifies Kino's vigilance and concern for their safety, highlighting his sense of responsibility and attentiveness towards Jiya's well-being. The passage likely portrays Kino's realization as a moment of heightened awareness, prompting him to consider the potential risks or troubles that might have occurred during their time on the island, showcasing his protective instincts towards Jiya and their safety.