This is the 6793rd most frequent Chinese word.
沉思
"沉思" means deep thought or contemplation.
In this sentence, 沉思 is used to describe the act of quietly reflecting or meditating in a peaceful manner.
他在公园里静静地沉思。
He quietly meditated in the park.
Here, 沉思 signifies deep thought or contemplation necessary for solving a challenging issue.
问题很复杂，需要更多的沉思才能解决。
The problem is quite complex and requires further contemplation to resolve.
In this context, 沉思 refers to personal introspection or thoughtful examination of one's thoughts and feelings.