熟じゅく思し黙もく想そう

noun, noun or participle which takes 'suru'

deep silent contemplation; careful quiet consideration

A yojijukugo describing the act of thinking deeply and silently about a matter, often with a meditative or serious tone. Used in formal or literary contexts.

• 彼かれは難むずかしい問もん題だいについて熟じゅく思し黙もく想そうした。

  He contemplated the difficult problem deeply and silently.

• 熟じゅく思し黙もく想そうの末すえ、一ひとつの結けつ論ろんに達たっした。

  After deep silent contemplation, he reached a conclusion.