Tā bèi chēng wéi dǎng nèi de zhùchóng, zuìzhōng bèi cháchǔ.
He was called a parasite within the party and was eventually investigated and punished.
Tips
usage
蛀虫 is often used figuratively in Chinese political discourse to describe corrupt officials who eat away at the system from within, like a worm boring through wood.
