拼音：dà o bù yó u zhō ng
解释：道：说话；衷：内心。说的话不是发自内心。指说假话，表里不一。
单字解释： 道 不 由 衷
Tao: speak; Heart: heart. What you say is not from your heart. It refers to telling lies, which are different in appearance and inside.
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