Literature Reference: Deep in thought, repaying the pure snow on New Year's Day, leisurely observing the breeze swaying the green flags. Source from 'Chou Fuyan Changqing Sinian Yuanri Junzhai Ganhuai Jianji'.
苦: The taste resembling bile or coptis, in contrast to "sweetness."
思: Thought, intellect. In names, it often signifies quick thinking, sharp wit, and intelligence.
Meaning: Deep contemplation, reflecting profound thought and focused exploration of matters.