Chengyu usage loop
不可思议
unbelievable. Learn the modern situation first; the old story is useful only after the idiom has a job.
unbelievable
Situation first
unbelievableA 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
unbelievable
Story
This page focuses on the modern use of 不可思议, not just the old story.
Modern usage
Use 不可思议 in product contexts when the situation matches the meaning: unbelievable.
Sentence reps
Practice the chengyu in a sentence
Log the idiom or example line, then recall the modern use instead of collecting decorative four-character trophies.