To appear simple and easygoing on the outside, but to be keenly discerning and astute internally; outwardly unassuming but inwardly perceptive.
他行事一向外简内明，表面上不拘小节，实则对一切都洞若观火
He always conducts himself with an outward simplicity and an inner discernment; appearing informal, but in reality, he sees everything clearly.
Era:
Ancient
Frequency:
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