pitfall
noun [ C usually plural ] uk/ˈpɪt.fɔːl/ us/ˈpɪt.fɑːl/
隐患；陷阱
a likely mistake or problem in a situation
The store fell into one of the major pitfalls of small business, borrowing from suppliers by paying bills late. 那家商店犯了一个小本经营的大错，即从供货商那里先赊账后付钱。
There's a video that tells new students about pitfalls to avoid. 有一部录像告诉新生应避免的错误。