shāng / chǎng / rú / zhàn / chǎng / rén / xīn / pǒ / cè / zuò / shēng / yì / yí / dìng / yào / jǐn / shèn

商场如战场，人心叵测，做生意一定要谨慎。

Business is like a battlefield, and people's intentions are unpredictable, so one must be cautious.