Subtle, hidden clues or elusive traces that suggest an underlying connection or foreshadow future developments.
这部小说的情节虽然复杂，但作者在细节处埋下了许多草蛇灰线，让读者在回味时才发现其精妙之处。
Although the plot of this novel is complex, the author embedded many subtle clues in the details, allowing readers to discover its brilliance only upon reflection.
Era:
Early Modern
Frequency:
Next Idiom