Chengyu usage loop
事倍功半
twice the effort, half the result. Learn the modern situation first; the old story is useful only after the idiom has a job.
twice the effort, half the result
Situation first
twice the effort, half the resultA 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
twice the effort, half the result
Story
This page focuses on the modern use of 事倍功半, not just the old story.
Modern usage
Use 事倍功半 in study contexts when the situation matches the meaning: twice the effort, half the result.