noun
listening to someone talk; receiving oral instruction
Refers to the act of listening to a person speaking, often in a learning or attentive context. The kanji 口受 literally means 'mouth receive' and is rarely used; the word is normally written in kana.
彼は先生の話をくじゅして、多くのことを学んだ。
He learned a lot by listening to his teacher's talk.
くじゅだけでは技術は身につかない。
You can't master a skill just by listening to someone.