red flag
US /ˈrɛd ˌflæɡ/
UK /ˈrɛd ˌflæɡ/
名词
危险信号, 警示
a warning signal or sign that something is wrong or problematic
示例:
•
His constant excuses were a major red flag for me.
他不断的借口对我来说是一个重要的危险信号。
•
Lack of transparency is often a red flag in business dealings.
缺乏透明度在商业交易中常常是一个危险信号。