raise red flags

短语

词形变化

raised red flags raises red flags 三单 raises red flags raising red flags raising red flags 现在分词 raised red flags 过去式 raised red flags 过去分词

别名

raise flags raise a flag

释义与例句

v.
  1. 1.

    To serve as a sign or signal indicating potential danger or trouble.

    比喻 非正式