Hayley教口语，“​馊主意”用英语怎么说？

/ˌbʌm ˈstɪər/

a piece of bad advice

馊主意，坏主意

bum 这个词本身作形容词表示“无价值的;劣质的;很不愉快的”。steer在口语等使用中可以表示“建议，忠告”。

He gave us a bum steer about that restaurant - it was terrible!

他给我们出了个馊主意，让我们去那家餐馆——太难吃了!

The advice to invest in those shares turned out to be a bum steer-their value has fallen steadily since I bought them.

买进那些股票的建议结果是错误的—自从我买进后，价格持续下跌。