Nàge shāngrén tān dé wú yàn, zuìzhōng luò de shēnbài míngliè de xiàchǎng.
That merchant's insatiable greed ultimately led to his complete ruin.
Tips
memory
Break it down: 贪 (greedy) + 得 (obtaining/getting) + 无 (without) + 厌 (being satisfied/fed up). 'Getting greedily, never being satisfied.' If you know that 厌 can mean 'satiated/fed up', the phrase clicks immediately.