The difference between the two
Chinese idiom, Pinyin is m ù Bi é Hu ì f ē n, which means classification. It comes from the tomb inscription of Huang Fu Jun in Lishui.
The origin of Idioms
Song Lian of Ming Dynasty wrote the inscription on the tomb of Huang Fu Jun in Lishui: "learning about the five classics is more profound than the book of changes
Idiom usage
It's a combination. It's a predicate. It's a classification.
The difference between the two
take measures only when in urgency - kě ér jué jǐng
plan very carefully with every conceivable possibility taken into account - jǔ wú yí cè
the broken stem of a floating duckweed -- wandering about - duàn gěng fú píng