Chengyu usage loop
心不在焉
absent-minded. Learn the modern situation first; the old story is useful only after the idiom has a job.
absent-minded
Situation first
absent-mindedA chengyu is a compressed judgment about a situation. Random idiom sprinkling is how learners sound like a proverb calendar.
Reading supports
Use these after the first listen. Pinyin is scaffolding; English is context; neither should become a sofa.
Literal meaning
absent-minded
Story
This page focuses on the modern use of 心不在焉, not just the old story.
Modern usage
Use 心不在焉 in work contexts when the situation matches the meaning: absent-minded.