Tā huǎnghuà yuè shuō yuè duō, zuìhòu zuòjiǎn-zìfù, wúfǎ tuōshēn.
He told more and more lies, and in the end trapped himself with no way out.
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Silkworms spin a cocoon (茧) to protect themselves, but in doing so they bind (缚) themselves inside. The image captures perfectly how one can entrap oneself with one's own actions.